Chemical Compatibility Guide
A = Excellent, B = Good, C = Fair to Poor, D = Not recommended, X or Brackets around a rating letter, no data is available, but the ratings are made on the basis of exposure test in similar chemical groups.
*All degrees are in Fahrenheit
| MATERIAL | NITRILE | SANTOPRENE® | PTFE | HYTREL® | NEOPRENE® | URETHANE | EPR/EPDM | VITON® | UHMW-PE | LEATHER | POLYPROPYLENE | ACETAL | PVDF | ALUMINUM | CAST IRON | STAINLESS | HASTELLOY® |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Acetaldehyde (Ethanol) | D | B | A | B | D | D | A | D | B | B | C | A | D | B | A | A | A |
| Acetamide(Ethanamide) | A | A | A | D | B | D | A | A | A | X | A/70 | A | A/75 | A | A | A | A |
| Acetate Solvents | D | B | A | D | D | D | A | D | B | X | B | A/70 | A/70 | A | D | A | A |
| Acetic Acid | C | B | A | D | C | C | A | C | B | D | B | D | A | B | D | A | A |
| Acetic Anhydride | D | A | A | C(B) | B | D | B | D | D | B | C | D | D | B | D | A | A |
| Acetone | D | B | A | C | D | D | A | D | A | X | D | B | D | A | A | A | A |
| Acetonitrile (Methyl Cyanide) | D | A/70 | A | X | D | B | A | D | X | X | B/70 | X | A/120 | A | A | A | B |
| Acetophenone (Acetyl Benzene) | D | B | A | X | D | X | B | D | X | X | B/70 | X | A/70 | B | A | A | B |
| Acetyl Acetone | D | X | A | X | D | D | A | D | X | X | X | X | X | D | A | A | X |
| Acetyl Chloride | D | B/70 | A | D | D | D | D | B | D | X | D | X | A/120 | D | A | B | A |
| Acetylene | A | X | A | A | B | D | A | A | X | A | D | A | A | A | A | A | A |
| Acetyl Sallicylic Acid (Aspirin) | X | C | A | X | B | X | B | A | A | X | X | X | X | D | B | B | X |
| Acrolein (Acryaldethyde) | X | A | A | D | D | D | A | B | X | X | X | X | X | B | B | B | X |
| Acrylonitrile (Vinyl Cyanide) | D | D | A | D | D | D | D | C | X | X | B | X | A/70 | A | A | A | A |
| Adipic Acid | B | B | A | D | A/140 | X | A | A | A | X | A | A/70 | A | B | B | B | A |
| Aero Lubriplate | A | C | A | D | A | X | D | A | X | X | A | A | A | A | A | A | A |
| Aerosafe 2300 | D | B | A | A | D | A | A | D | X | X | X | A | X | A | A | A | X |
| Aerosafe 2300W | D | B | A | A | D | D | A | D | X | X | X | A | X | A | A | A | X |
| Aeroshell1AC | A | D | A | D | B | B | D | A | X | X | A | A | B | A | A | A | A |
| Aeroshell7A Grease | A | D | A | D | B | D | D | A | X | X | X | A | X | A | A | A | X |
| Aeroshell17 Grease | A | D | A | D | B | A | D | A | X | X | X | A | X | A | A | A | X |
| Aeroshell750 | C | D | A | D | D | A | D | A | X | X | X | A | X | A | A | A | A |
| Alcohol Amyl (1-Pentanol) | B | A | A | A | B | D | A | B | A | X | A | A | A | B/70 | B | A | A |
| Alcohol Benzyl (Phenol Carbinol) | D | A | A | D | B | C | C | A | A | X | A/70 | A/70 | A | B/70 | A | A | A |
| Alcohol Butyl (Butanol) | B | A | A | D | A | D | A | A | A | X | B | A | A | B | B | A | A |
| Alcohol Diacetone (Tyranton) | D | C | A | D | D | D | B | D | X | X | B | A | A/70 | B | B | A | A |
| Alcohol Ethyl (Ethanol) | A | B | A | A | A | D | A | A | A | X | A | A | A | B/200 | A | A | A |
| Alcohol Hexyl (1-Hexanol) | A | B | A | D | B | D | B | A | X | X | A/70 | A | A | A | A | A | A |
| Alcoh. Isobutyl (2-Methyl-1-Propanol) | C | A | A | B | A | D | B | A | X | X | A/70 | A | A | B | C | A | A |
| Alcohol Isopropyl (2-Propanol) | C | B | A | A | B | D | B | A | X | X | A | A | A/150 | B | C | A | A |
| Alcohol Methyl (Methanol) | A | A | A | A | A | D | B | D | A | X | A/120 | A | A | B | A | A | A |
| Alcohol Octyl (Caprylic Alcohol) | X | B | A | D | B | D | A | A | X | X | X | A | X | A | A | A | A |
| Alcohol Propyl (Propanol) | A | A | A | D | A | D | B | A | C | X | A | A | A/120 | A | A | A | A |
| Allyl Alcohol | A | A | A | D | A | B | A | B | A | X | A | X | A | B | A | A | A |
| Allyl Bromide | D | X | A | D | D | A | D | B | X | X | X | X | X | D | A | X | X |
| Allyl Chloride | C | X | A | D | D | D | D | B | B | X | A | X | A | D | C | B | X |
| Alkazene | D | D | A | D | D | D | X | A | B | X | X | X | X | X | X | X | X |
| Almond Oil (Artificial) | D | C | A | D | D | D | B/70 | D | X | X | D | X | X | X | X | X | X |
| Alum (Alum Potasium Sulfate) | A | A | A | D | A | D | A | A | A | X | A | A | A | C | D | B | B |
| Aluminum Acetate | X | A | A | X | B | D | A | D | A | X | A | A | X | A | D | B | B |
| Aluminum Ammonium Sulfate | A | B | A | X | A/170 | X | A | A | X | X | A | X | A | X | X | X | X |
| Aluminum Bromide | B | B | A | D | A | D | A | A | X | X | X | X | A | X | X | X | X |
| Aluminum Chloride | A | A | A | B | A | B | A | A | A | X | A | B | A | B | D | C | A |
| Aluminum Fluoride | B | A | A | X | A | C/70 | B | A | A | X | A | D | A | B | D | A | B |
| Aluminum Hydroxide | A | A | A | D | A | B | A | A | A | X | A | A | A | A | D | A | B |
| Aluminum Nitrate | A | A | A | X | A/70 | C | A | A | A | X | A | B | A | B | D | A | B |
| Aluminum Phosphate | A | A | A | X | A | D | A | A | X | X | A | A | A | X | X | A | X |
| Alum. Potassium Sulfate (Alum) | A | A | A | D | A | D | A | A | A | X | A | A | A | C | D | B | B |
| Aluminum Sulfate (Sulphate) | A | A | A | (B) | A | B | A | A | A | A | A | B/70 | A | A | D | A | A |
| Amines | D | A | A | D | D | D | C | D | A | D | B/120 | C/70 | X | A | D | A | B |
| “Ammonia, Gas, Cold” | B | A | A | D | A | B | A | D | A | X | B | A | D | X | X | X | X |
| “Ammonia, Anhydrous” | B | A | A | D | A | X | A | D | A | D | A/70 | D | D | A/70 | A | A | A |
| AmmoniaLiquids | B | A | A | X | A | B | A | D | D | X | A/70 | D | A | D | A | A | B |
| AmmoniaNitrate | A | A | A | X | C | B | A | D | X | X | A | B/70 | A | C | A | A | B |
| Ammonium Acetate | A | A | A | D | A | D | A | A | A | X | A | C | X | B | A | X | X |
| Ammonium Bicarbonate | B | A | A | X | A | C | B | D | A | X | X | X | X | X | X | X | X |
| Ammonium Bifluoride | A | A | A | X | A | D | A | A | X | X | A | X | A | X | D | X | X |
| Ammonium Carbonate | C | A | A | X | A | A | A | A | A | A | A | D | A | B | B | B | B |
| Ammonium Casenite | X | A | A | X | A | X | X | X | X | X | X | A | X | X | X | A | X |
| Ammonium Chloride 1% | A | A | A | A/70 | A | B/70 | A | A | A | X | A | A | A | C | D | C | A |
| Ammonium Dichromate | B | A | A | X | A | X | A | X | X | X | X | X | X | A | A | X | X |
| Ammonium Diphosphate | X | A | A | D | A | X | A | A | X | X | X | X | X | X | X | X | X |
| Ammonium Floride | B | B | A | X | B | X | A | A | A | X | A | X | A | D | D | D | A |
| Ammonium Hydroxide | B | A | A | (B) | A | D | A | B | A | B | A | B | A | B | B | B | A |
| Ammonium Nitrate | A | A | A | X | A | A | A | A | A | X | A | B | A | B | A | A | A |
| Ammonium Nitrite | A | A | A | X | A | D | A | A | A | A | A/70 | X | A | X | X | A | X |
| Ammonium Oxalate- 5% Sol. | B | A | A | X | A | X | A | X | A | X | X | B | X | X | D | A | A |
| Ammonium Persulfate Sol. | D | A | A | X | A | D | B | A | A | X | A | X | A | C | D | A | A |
| Ammonium Phosphate | A | A | A | B | A | B | A | A | B | X | A | B | A | B | D | A | A |
| Ammonium Sulfamate | A | A | A | B | A | A | A | A | X | X | X | X | X | X | X | X | X |
| Ammonium Sulfate | A | A | A | B | A | A | A | A | A | X | A | A | A | B | C | A | B |
| Ammonium Sulfide | X | X | A | X | A | B | A | D | A | X | X | X | X | X | X | X | X |
| Ammonium Sulfite | A | A | A | X | A | D | A | A | D | X | A | D | X | C | D | B | A |
| Ammonium Sulphate 1% - 5% | A | X | A | C | A | B | X | D | A | X | A | A | A | B | C | A | B |
| Ammonium Thiocyanate | X | X | A | X | A | X | A | A | A | X | X | X | A | C | C | A | A |
| Ammonium Thiosulfate | A | A | A | X | A | X | A | A | X | X | X | B | X | A | D | A | X |
| Ammonium Thiophosphate | A | A | A | D | A | X | A | A | X | X | X | X | X | X | X | X | X |
| Amyl Acetate (banana oil) | D | D | A | C | D | D | A | D | B | B | B | D | A/120 | B | X | A | B |
| Amyl Alcohol | B | A | A | A | A | D | A | A | A | X | B | A | A | B | C | A | B |
| Amyl Borate | X | B | A | X | A | D | D | A | X | X | X | X | X | X | X | X | X |
| Amyl Chloride (Chloropentane) | D | C | A | D | D | C | D | A | D | X | D | A | A | D | A | A | B |
| Amyl Chloranaphthalene | C | C | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Amyl Naphthalene | D | C | A | D | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Amyl Phenol | X | C | A | X | X | X | X | A | X | X | X | X | X | A | A | A | A |
| “Anderol, L-774 (Di-Ester)” | X | X | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| L-826 (Di-Ester) | D | D | A | D | D | D | D | A | X | X | X | X | X | X | X | X | X |
| L-829 (Di-Ester) | D | D | A | D | D | D | D | A | X | X | X | X | X | X | X | X | X |
| ANG-25 (Glyceral Ester) | D | X | A | X | B | D | A | A | X | X | X | X | X | X | X | X | X |
| ANG-25 (Di-Ester Base) (TG7449) | D | D | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Anhydrous Ammonia | B | A | A | D | D | D | A | D | X | X | A/70 | D | D | B | D | A | A |
| Anhydrous Hydrazine | D | X | A | X | B | D | B | D | X | X | X | X | X | X | X | X | X |
| Anhydrous Hydrogen Fluoride | D | C | A | X | X | D | A | D | X | X | X | X | X | X | X | X | X |
| Aniline | D | A | A | C | D | D | D | D | C | X | A | A/70 | A/70 | C | C | A | B |
| Aniline Dyes | D | B | A | D | B | D | A | A | C | X | X | D | X | B | A | B | X |
| Aniline Hydrochloride | D | A | A | X | D | D | B | B | C | X | D | X | A/100 | D | D | D | X |
| Aniline Oil | D | C | A | D | D | D | B | C | X | X | X | X | X | B | A | A | B |
| Aniline Sulfite | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | C | X |
| Animal Oil (Lard Oil) | B | B | A | B | A | C | A | A | A | X | A | A | A | A | A | A | A |
| Animal Gelatin | B | B | A | X | A | A | A | A | X | X | X | X | X | X | X | A | X |
| AN-0-3 Grade M | B | B | A | D | D | B | B | A | X | X | X | X | X | X | X | X | X |
| AN-0-6 | B | X | A | D | A | D | A | A | X | X | X | X | X | X | X | X | X |
| AN-0-366 | B | X | A | D | D | D | C | A | X | X | X | X | X | X | X | X | X |
| Ansul Ether 161 or 181 | D | D | A | D | X | B | C | D | X | X | X | X | X | X | X | X | X |
| Anthaquinone | D | D | A | D | D | B | C | D | X | X | X | X | X | B | B | B | A |
| Anti-Freeze (Ethylene Glycol) | A | A | A | A/70 | A | B | A | A | A | X | A | B | A | B | B | A | A |
| AntimonyChloride | B | A | A | D | D | X | A | B | A | X | A | X | A | B | A | A | A |
| AntimonyTrichloride | X | A | A | D | C | D | B | A | A | X | A | X | A | B | A | A | B |
| AN-VV-0-366b Hydr. Fluid | D | D | A | D | C | D | D | A | X | X | X | X | X | X | X | X | X |
| Aqua Regia(20% Nitric, 80% HCL) | D | D | A | D | D | D | B/140 | A/70 | B | X | B/70 | D | A/70 | D | D | D | C |
| Argon | A | A | A | A | D | A | A | A | X | X | X | X | X | X | X | X | X |
| Aroclor | D | D | A | C | D | B/70 | B | A | X | X | D | X | X | A | B | A | A |
| Aromatic Fuel 50% | X | C | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Aromatic Hydrocarbons | D | C | A | C/70 | D | D | D | A | X | X | D | A | X | A | A | A | X |
| Arsenic Acid | A | A | A | D | B | C | A | A | X | B | A | D | A | D | D | A | B |
| Arsenic Trichloride | B | B | A | D | A | X | D | A | A | X | X | D | X | D | D | D | B |
| Ascorbic Acid | X | X | A | X | A | X | X | X | X | X | X | X | X | A | D | A | X |
| Askarel | C | D | A | D | D | D | D | A | X | X | X | X | X | X | X | A | X |
| Asphalt | B | B | A | (B) | C | B | D | A | X | A | A | B | A | A | B | A | X |
| Asphalt Emuision | B | B | A | B | B | B | D | A | A | X | X | X | A | B | A | A | A |
| Asphalt Topping | B | B | A | B | B | B | D | A | A | X | D | D | D | A | A | A | A |
| ASTM Oil,NO. 1 | C | C | A | A | B | B | D | A | A | X | X | A | X | A | A | A | A |
| No.2 | X | C | A | A | B | D | D | A | A | X | X | A | X | A | A | A | A |
| No.3 | C | C | A | A | C | D | D | A | A | X | X | A | X | A | A | A | A |
| No.4 | X | X | A | D | D | D | D | A | A | X | X | A | X | A | A | A | A |
| B | B | C | A | A | D | D | D | A | X | X | X | X | X | A | A | A | A |
| C | C | D | A | A | D | D | D | A | X | X | X | X | X | A | A | A | A |
| ASTM Reference Fuel A | B | B | A | A | B | D | D | A | X | X | X | X | X | A | A | A | A |
| Atlantic Dominion F | X | C | A | D | B | D | D | A | X | X | X | X | X | X | X | X | X |
| Aurex 903R (Mobile) | X | X | A | D | B | A | D | A | X | X | X | X | X | X | X | X | X |
| Automatic Transmission Fluid | X | D | A | A | B | B | D | A | X | X | X | A | X | A | A | A | A |
| Aviation Gasoline, Mil. | B | X | A | D | C | D | D | A | X | X | X | X | X | A | A | A | A |
| Bardol B | D | D | A | D | X | X | D | A | X | X | X | X | X | X | X | X | X |
| Barium Carbonate | A | A | A | X | A | B | A | A | B | A | A | A | A | D | A | A | A |
| Barium Chloride | A | A | A | X | A | A | A | A | B | X | A | A | A | D | D | B | A |
| Barium Cyanide | D | A | A | X | A | X | A | A | X | X | D | B | X | C | B | A | X |
| Barium Hydroxide (Barium Hydrate) | A | A | A | (B) | A | A | A | A | A | B | A | D | A | D | B | A | B |
| Barium Nitrate | A | A | A | X | A | B | A | A | B | X | A | B | A | B | A | A | A |
| Barium Sulfate | A | A | A | D | A | A | A | A | A | A | A | B | A | D | B | A | A |
| Barium Sulfide | A | A | A | X | A | A | A | A | B | A | A | A | A | D | D | B | A |
| Bayol D | D | D | A | X | A | X | D | A | X | X | X | X | X | X | X | X | X |
| Bayol 35 | D | D | A | X | A | X | D | A | X | X | X | X | X | X | X | X | X |
| Beef Extract | A | A | A | X | A | X | X | A | X | X | X | X | X | X | D | A | X |
| Benzaldehyde | D | D | A | B | D | D | A | D | C | X | D | A | A/70 | A | A | A | A |
| Benzene (Benzol) | C | C | A | B | D | D | D | B | D | B | B | A | A | B | B | B | A |
| Benzene Sulfonic Acid | D | A | A | X | B | D | D | B | D | X | B/70 | C | A | D | D | B | B |
| Benzyl Acetate | X | X | A | D | X | X | X | D | C | X | X | X | X | A | A | A | B |
| Benzyl Alcohol | D | D | A | C | C | D | C | A | A | X | A | X | A | A | A | A | B |
| Benzyl Benzoate | X | C | A | D | D | D | B | A | X | X | X | X | X | A | B | B | B |
| Benzyl Chloride (Chlorotoluene) | D | C | A | D | D | D | D | A | A | X | D | A | A | D | D | B | A |
| Benzoic Acid | D | A | A | D | D | D | B | A | A | A | A | B | A | B | D | B | B |
| Benzol (Benzene) | D | C | A | B | D | D | D | B | D | X | D | A | A/70 | B | B | A | A |
| Bichlorideof Mercury | B | B | A | X | A | A/70 | A | A | X | X | X | X | X | X | X | X | X |
| Biphenyl (Diphenyl) | D | D | A | X | D | D | D | A | X | X | X | X | X | A | A | X | X |
| Bismuth Subcarbonate | X | D | A | D | D | D | A | X | A | X | X | X | X | X | X | X | X |
| Black Point 77 | X | X | A | X | C | C/70 | A | A | X | X | X | X | X | X | X | B | X |
| Black Sulphate Liquor | X | X | A | B | B | D | B | B | A | X | X | X | A/175 | C | B | A | B |
| Blast Furnace Gas | X | A | A | B | D | D | D | A | A | X | X | D | X | X | X | X | X |
| Bleach Solutions (Water, Chlorine) | D | B | A | C | D | D | A | B | B | X | B | D | A | D | D | B | B |
| Blood (Meat Juices - Cold) | D | B | A | D | A | D | A | C | X | X | A | X | X | A | D | A | X |
| Borax (Sodium Borate) | A | A | A | A | A | A | A | A | A | A | A | A | A | C | A | A | A |
| Bordeaux Mixtures | B | A | A | B | A | D | A | A | A | X | X | X | X | D | C | A | A |
| Boric Acid | A | A | A | A/70 | A | A/70 | A | A | A | A | A | C | A | B | D | A | A |
| Boron Fuels (HEF) | C | D | A | D | D | A | D | A | X | X | X | X | X | X | X | X | X |
| Brake Fluid (Non-Petroleum) | D | A | A | D | B | A | A | D | A | X | D | X | X | A | A | A | A |
| Brine (Sodium Chloride) | A | A | A | B | B | B | A | A | A | X | A/70 | A | A | C | D | A | A |
| Brewery Slop | X | A | A | D | A | A | A | A | X | X | X | X | X | X | A | A | X |
| Bromine | D | C | A | D | D | D | C | A | D | X | B/72 | D | A/150 | D | D | D | A |
| Bromine-Anhydrous | D | C | A | D | D | D | D | A | D | X | D | D | A/150 | D | D | D | A |
| Bromine-Pentafluroride | D | D | A | X | D | D | D | D | X | X | X | X | X | X | X | X | X |
| Bromine Trifluroride | D | C | A | D | D | D | D | D | X | X | D | D | X | D | D | B | X |
| Bromine Water | D | B | A | D | D | D | D | B | X | X | D | D | A | D | D | B | X |
| Bromobenzene | D | D | A | D | D | D | D | B | D | X | D | D | A | D | B | B | B |
| Bromochloromethane | X | X | A | X | D | D | B | C | X | X | X | X | X | D | B | B | B |
| Bromochloro Trifluoroethane | X | D | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Bromotoluene | X | X | A | X | X | X | X | B | X | X | X | X | X | D | A | A | A |
| Bronzing Liquid | X | A | A | X | D | D | B/70 | D | X | X | X | X | X | X | X | A | A |
| Bunker Oil | B | B | A | D | D | D | D | A | A | X | X | X | X | A | A | A | A |
| Butadiene(Monomer) | D | D | A | D | D | D | D | B | D | A | D | A | A | A | A | A | X |
| Butane (LPG) (Butyl Hydride) | A | D | A | A | B | D | D | A | D | A | B | A | A | A | A | A | A |
| Butanol (Butyl Alcohol) | B | B | A | B | A | D | A | A | A | X | B | A | A | B | B | A | A |
| Butter | A | B | A | B | B | A | A | A | A | X | A | A | A | A | D | A | X |
| Buttermilk | A | A | A | X | A | A | A | A | A | A | A | A | A | A | D | A | A |
| Butyl Acetate | B | B | A | C | D | D | D | D | B | X | B/70 | B | A | A | A | A | A |
| Butyl Acetyl Ricinoleate | D | B | A | X | B/70 | D | A/70 | A/70 | X | X | X | X | X | A | A | A | A |
| Butyl Acrylate | D | C | A | D | D | X | D | D | A | X | D | A | A/70 | X | X | X | X |
| Butyl Alcohol (Butanol) | A | A | A | B | A | D | B | A | A | X | A/70 | X | A | A | B | A | A |
| Butyl Amine (Aminobutane) | B | A | A | D | D | D | D | D | A | X | B | C | B/70 | A | A | A | B |
| Butyl Benzoate | X | C | A | X | D | D | A | A | X | X | X | A | X | B | B | B | B |
| Butyl Butyrate | X | C | A | D | D | X | A | X | X | X | X | X | X | A | A | A | A |
| Butyl Carbitol | D | B | A | X | C | D | A | C | X | X | X | A | X | X | X | X | X |
| Butyl Cellosolve | D | A | A | X | D | D | A | D | X | X | X | A | B | X | X | X | X |
| Butyl Chloride (Chlorobutane) | D | D | A | X | C | X | X | A | X | X | D | X | A | A/70 | A | A | A |
| Butyl Ether (DiButyl Ether) | X | C | A | X | B | X | X | C | A | X | D | X | A/100 | A | A | A | X |
| Butyl Oleate | D | C | A | X | D | X | B | A | X | X | X | A | X | X | X | X | X |
| Butyl Stearate | C | C | A/70 | X | D | B | D | A | A | X | X | A | A/100 | B | B | B | B |
| Butylene (Butene) | C | C | A | B | C | C | C | A | X | X | B | A | A | A | X | A | X |
| Butyraldehyde | D | C | A | D | D | D | C | D | C | X | D | A | B | A | A | A | A |
| Butyric Acid | D | A | A | B | D | D | B | B | B | X | A | D | A | A | D | B | A |
| Butyric Anhydride | X | A | A | X | X | X | X | X | D | X | X | X | X | A | A | A | A |
| Butyronitrile | X | X | A | D | D | X | A | C | X | X | X | X | X | X | X | X | X |
| CadmiumSulfate (25% Concentration) | X | X | A | D | X | D | X | X | X | X | X | X | X | X | X | X | X |
| Calcium Acetate (Hydrate) | X | X | A | D | B | D | A | D | X | X | X | X | X | C | C | B | B |
| Calcium Acid Sulphate | X | X | A | X | C | X | B | D | X | X | X | X | X | X | X | X | X |
| Calcium Bisulphate | A | X | A | X | C | A | A | A | X | X | X | X | X | X | X | X | X |
| Calcium Bisulfide | A | D | A | B | A | A | D | A | X | X | A | A | A | C | D | B | A |
| Calcium Bisulfite | A | D | A | D | A | A | D | A | A | A | A | D | A | D | D | A | A |
| Calcium Carbonate (Chalk) | A | A | A | X | A | D | A | A | A | A | A | A | A | C | B | A | A |
| Calcium Chlorate | A | A | A | X | A | B | A | A | A | X | A | X | A | B | B | B | B |
| Calcium Chloride (Brine) | A | A | A | A | A | A | A | A | A | X | A | D | A | C | C | C | A |
| Cal. Hydrosulfide (Cal. Sulfhydrate) | X | A | A | X | A | X | A | A | A | X | X | X | X | X | X | X | X |
| Calcium Hydroxide - 10% (Boiling) | A | A | A | B | A | A | A | A | D | A | A | A/150 | A | C | A | A | A |
| Calcium Hypochlorite | C | A | A | B | D | D | A | A | A | D | A | A | A | C | D | A | A |
| Calcium Nitrate | C | A | A | X | B | D | B | A | A | X | A | D | A | B | C | B | B |
| Calcium Oxide (Unslaked Lime) | A | A | A | B | A | B | A | A | A | X | X | X | X | A | A | A | A |
| Calcium Silicate | X | X | A | X | A | X | A | A | X | X | X | X | X | A | B | A | A |
| Calcium Sulfate (Gypsum) | A | A | A | X | D | B | A | A | A | X | A | D | A | B | A | A | B |
| Calcium Sulfide | A | A | A | X | B | A | A | A | X | X | A/120 | X | A | A | B | B | A |
| Calcium Sulfite | B | A | A | X | A | A | A | A | X | X | X | X | X | B | B | A | X |
| Calcium Thiosulfate | C | A | A | D | A | A | A | A | X | X | X | X | X | X | X | X | X |
| Calgon | A | A | A | D | A | D | A | A | X | X | A | A | X | X | D | A | X |
| Cane Juice | B | A | A | X | A | D | A | A | X | X | B/72 | A | B | B | A | A | X |
| Cane Sugar Liquors | A | A | A | B | A | D | A | A | X | X | A | X | A | A | B | A | X |
| Capryl Alcohol (Octanol) | B | A | A | X | D | D | A | B | X | X | X | X | X | A | A | A | A |
| Caprylic Acid (Octanoic acid) | C | A | A | X | X | X | A | A | X | X | X | X | A | A | X | A | A |
| Caproic Aldehyde | X | X | A | X | X | X | X | D | X | X | X | X | X | X | X | X | X |
| Carbamate | D | A | A | X | B | D | B | A | X | X | X | X | X | X | X | X | X |
| Carbitol | C | B | A | X | B | D | B | A | X | X | C | X | A | B | B | B | X |
| Carbolic Acid (Phenol) | D | A | A | D | C | C | C | A | B | D | B | D | A/70 | B | D | A | A |
| Carbon Bisulfide | D | D | A | B | D | C | D | A | D | X | D | B | A | A | B | B | B |
| Carbon Dioxide | B | A | A | C | A | C | A | B | C | A | A | A | A | A | D | A | A |
| Carbon Disulfide | D | D | A | C | D | C | D | A | D | X | D | B | A/70 | A | B | B | B |
| Carbon Monoxide | A | A | A | A | B | A | C | A | C | X | A | B | A | A | A | A | A |
| Carbon Tetrachloride - Pure | D | D | A | D | D | A | D | A | D | X | B/70 | A | A | D | C | A | A |
| Carbonated Beverages | A | A | A | X | A | B | A | A | X | X | A | X | A | C | D | A | A |
| Carbonic Acid | B | A | A | C | A | C | A | A | B | A | A | A | A | D | B | A | X |
| Casein | X | A | A | X | A | X | A | A | X | X | X | X | X | B | X | B | B |
| Casing Head Gas | X | X | A | X | A | X | X | X | X | X | X | X | X | X | X | X | X |
| Castor Oil | B | B | A | C | A | A | B | A | X | X | X | X | X | A | B | A | A |
| Catsup (Ketchup) | A | A | A | X | D | D | X | A | A | X | A | B | X | D | D | A | A |
| Cellosolve (Glycol ethers) | D | C | A | D | D | D | B | D | X | X | A | A | A | B | B | B | A |
| Cellosolve, Acetate | D | A | A | D | D | D | B | D | C | X | A | A | A/120 | B | B | A | A |
| Cellosolve, Butyl | D | C | A | D | D | D | B | D | X | X | X | A | B | X | X | X | X |
| Celluguard | B | B | A | X | A | D | A | B | X | X | X | X | X | X | X | X | X |
| Cellutherm 2505A | C | D | A | D | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Cetane (Hexadecane) | B | D | A | D | B | D | D | A | X | X | X | X | X | X | X | X | X |
| China Wood Oil(Tung Oil) | B | B | A | B | A | C | D | A | X | X | A | A | A | A | A | A | A |
| Chloracetaldehyde | X | X | A | X | D | D | A | D | X | X | X | X | X | X | X | X | X |
| Chlorate of Lime | D | D | A | D | D | D | A | A | A | X | X | X | X | X | X | X | X |
| Chlorbenzol (Conc. Pure) | D | D | A | X | D | X | D | D | X | X | X | X | X | X | X | X | X |
| Chlorextol | X | X | A | X | B | D | D | A | X | X | X | X | X | X | X | X | X |
| Chlorinated Lime - 35% (Bleach) | C | A | A | C | D | D | A | A | A | X | B | D | A | D | D | A | A |
| Chlorinated Water - Saturated | D | D | A | D | C | D | D | A | A | X | B | D | A | C | X | B | A |
| “Chlorine,Dry” | D | C | A | D | D | D | D | A/70 | B | X | B | D | A | D | D | D | A |
| “Chlorine,Wet” | D | C | A | D | D | D | A | A | B | D | D | D | A | D | B | B | A |
| “Chlorine,Anhydrous Liquid” | D | D | A | D | D | D | D | A | D | X | D | D | A | D | D | D | A |
| Chlorine Dioxide | D | D | A | D | D | D | C | B | D | X | D | X | A | D | D | D | A |
| Chlorine Trifluoride | D | D | A | X | D | D | D | D | D | X | D | X | X | D | D | A | X |
| Chloroacetic Acid | C | D | A | X | D | D | B | D | D | X | X | X | X | X | X | X | X |
| Chloroacetone | D | C | A | D | C | D | D | B | X | X | D | B | X | D | B | B | B |
| Chlorobenzene | C | C | A | D | D | D | D | A | B | X | B | A | A/70 | D | B/70 | B | A |
| Chlorobromo Methane | D | D | A | D | D | D | B | A | D | X | D | B | X | D | B | B | X |
| Chlorobutadiene | D | C | A | D | D | D | D | A | X | X | D | X | X | D | B | A | B |
| Chlorodane | D | C | A | D | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Chlorododecane | D | D | A | D | D | D | D | A | X | X | D | X | X | D | D | X | X |
| Chloroform | C | C | A | C | D | D | D | A | D | X | D | A | A | D | D | A | B |
| 0 - Chloronaphthalene | D | D | A | D | D | D | D | A | C | X | D | X | A | D | B | B | B |
| 1 - Chlorol 1 Nitro Ethane | D | C | A | D | D | D | D | D | X | X | D | X | X | D | X | X | X |
| Chlorosulfonic Acid (Dry) | C | C | A | C | D | D | C | C | D | X | C | D | C | D | D | D | B |
| Chlorosulfonic Acid (Wet) | D | D | A | D | D | D | D | D | D | X | C | D | C | D | D | D | B |
| Chlorotoluene | D | C | A | D | D | D | D | A | X | X | D | A | X | D | B | B | A |
| 0 - Chlorphenol | C | C | A | X | D | D | D | B | X | X | X | B | A | C | C | A | A |
| Chromic Acid - 5% | D | A | A | D | D | D | A | A | A | X | A/70 | D | A | C | D | A | A |
| Chromic Acid - 50% | D | A | A | D | D | D | C | A | A | X | B/140 | D | A | C | D | B | A |
| Cider (Apple Juice) | B | A | A/122 | D | A | D | A | A | A | X | X | A | X | B | D | A | A |
| Cinnamon Oil | X | C | A | X | C | X | X | X | X | X | X | X | X | X | D | A | X |
| Citric Acid - 5% Solution | A | A/70 | A | B/70 | A | A/70 | A | A | A | X | A | C | A | C | D | A | A |
| Citric Oils | B | C | A | X | D | X | B | A | A | X | A | B | X | C | D | A | X |
| Citrus Pectin Liquor | B | X | A | B | A | C | X | C | D | X | X | X | X | X | X | A | X |
| Clove Oil | X | C | A | X | X | X | X | X | X | X | X | X | X | X | D | A | X |
| Coal Gas | X | X | A | B | A | B | A | A | X | X | X | X | X | X | X | X | X |
| Coal Tars | D | D | A | D | C | D | D | A | X | X | C | D | X | X | X | X | A |
| Cobalt Chloride | A | A | A | X | A | D | C | A | X | X | A | X | X | D | D | X | X |
| Coca ColaSyrup | B | A | A | X | B | B | A | B | X | X | X | X | X | X | X | X | X |
| Coconut Oil (Coconut Butter) | B | B | A | X | C/140 | C | B | A | A | X | X | X | X | B | A | A | X |
| Cod LiverOil (Fish Oil) | X | C | A | X | B/70 | A | A | A | A | X | X | X | X | A | D | A | X |
| Coffee | A | A | A | X | A | D | A | A | A | X | A | A | X | A | X | A | A |
| Coke Oven Gas | D | B | A | X | C | D | D | A | A | X | X | X | A | X | X | X | X |
| Coliche Liquors | B | B | A | X | A | X | B | X | X | X | X | X | X | X | X | X | X |
| Convelex 10 | D | D | A | D | D | D | X | A | X | X | X | X | X | X | X | X | X |
| Coolanol (Monsanto) | B | D | X | X | B | D | D | A | X | X | X | A | A | D | D | C | B |
| Copper Acetate | X | A | A | D | B | D | A | D | X | X | X | A | A | D | D | C | B |
| Copper Chloride - 1% | A | A | A | A | A | D | A | A | A | X | A | A | A | D | D | D | B |
| Copper Cyanide | A | A | A | A | A | A | A | A | A | X | A | A | A | D | D | A | A |
| Copper Fluoborate | X | A | A | A | A | A | X | A | X | X | X | B | X | D | D | D | B |
| Copper Nitrate | B | A | A | A | A/140 | B/70 | A | A | A | A | A | A | A | D | D | A | A |
| Copper Sulfate - 5% Solution | A | A | A | A | A | A | A | A | A | X | A | D | A | D | D | A | A |
| Corn Oil | B | D | A | A | C | A | D | A | A | A | A | X | A | B | C | B | X |
| Cottonseed Oil | B | B | A | A/70 | C | A/70 | A/70 | A | X | X | A | B | A | A | C | A | X |
| Creosols | D | C | A | X | D | D | D | A | D | X | D | B | A/150 | B | C | A | B |
| “Creosote, Coal Tar” | D | D | A | D | D | D | D | A | D | X | D | D | X | B | B | B | B |
| “Creosote, Wood” | D | D | A | D | C | C | D | A | D | X | D | D | X | X | X | B | X |
| Cresylic Acid (Cresol) | D | B | A | D | D | D | D | A | D | X | C | D | A/150 | C | A | A | B |
| Crotonaldehyde | X | B | A | X | D | D | A | D | X | X | X | X | X | A | A | A | A |
| Crude Oil | C | C | A | B | B | D | D | A | B | X | B/150 | D | A/120 | A | A | A | B |
| Cumene (Isoprophylbenzene) | D | D | A | X | D | D | D | A | A | X | X | X | X | B | B | B | B |
| Cutting Oil (Water Soluble) | C | D | A | X | D | A | D | A | A | X | X | X | X | A | A | A | A |
| Cutting Oil (Sulfur Base) | B | D | A | X | C | A | D | A | A | X | X | X | X | A | A | A | A |
| Cyclohexane | A | C | A | A | D | B | D | A | A | X | C/70 | A | A | A | B | A | B |
| Cyclohexanol | C | D | A | X | A | B | C | A | A | X | B/70 | A | A/150 | C | B | B | A |
| Cyclohexanone | D | D | A | D | D | D | C | D | B | X | D | A | B70 | B | B | B | B |
| Cyanic Acid | D | B | A | X | D | D | A | D | A | X | X | D | X | X | D | A | X |
| P-Cymene | D | B | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Decalin | D | C | A | X | D | D | D | A | C | X | B/120 | X | A/175 | X | X | X | X |
| Decanal | X | D | A | X | D | X | D | D | X | X | X | X | X | X | X | X | X |
| Decane | A | B | A | X | D | B | D | A | X | X | A/70 | X | A | X | X | X | X |
| Decyl Alcohol (Decanol) | X | X | A | X | D | D | X | B | X | X | X | X | X | X | X | X | X |
| De-Ionized Water | A | A | A | A | A | X | A | A | A | X | A | X | A | A | C | A | A |
| Degreasing Fluid (Chlorinated) | D | D | A | X | D | A | D | A | X | X | X | X | X | X | X | X | X |
| Denatured Alcohol | A | B | A | X | A | D | A | B | X | X | A | A | A | A | A | A | A |
| DetergentSolutions | B | B | A | B | B | A | A | A | A | X | A | A | A | A | A | A | X |
| Developing Fluids (Photo) | X | A | A | D | A | D | B | A | A | X | X | A | X | X | D | A | A |
| Dextrose | A | A | A | B/140 | B | A | A | A | A | X | A | X | A | A | D | A | A |
| Dextron | C | D | A | X | B | B | D | A | X | X | X | X | X | X | X | X | X |
| DiacetoneAlcohol (Diacetol) | D | B | A | C | D | D | A | D | X | X | B | A | A/70 | A | A | A | A |
| Diamylamine | X | B | A | X | D | D | A | D | X | X | X | X | X | X | X | X | X |
| Diazinon | D | D | A | D | C | D | D | B | X | X | X | X | X | X | X | X | X |
| Dibenzyl Ether | X | C | A | X | D | B | C | C | X | X | X | X | C | B | B | B | B |
| Dibenzyl Sebacate | D | C | A | X | D | B | B | B | X | X | X | X | X | X | X | X | X |
| Dibromoethyl Benzene | D | C | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Dibutyl Amine | D | C | A | X | D | D | D | B | X | X | D | X | B | X | X | X | X |
| Dibutyl Ether | D | B | A | X | D | D | C | C | X | X | X | X | X | X | X | X | X |
| Dibutyl Phthalate | B | B | A | A | D | C | A | B | A | A | B | X | D | A | A | A | A |
| Dibutyl Sebacate | D | B | A | A | D | D | B | B | X | X | B/72 | X | D | X | A | A | X |
| Dichloroacetic Acid | X | B | A | X | D | X | C | D | X | X | X | X | X | X | X | X | X |
| Dichlorethane | D | D | A | D | D | D | D | B | C | X | A | A | A/70 | X | D | A | B |
| P-Dichlorobenzene | D | D | A | D | D | D | D | A | D | X | B | B | A/150 | D | B | B | A |
| Dichlorobutane | X | X | A | X | D | D | D | A | X | X | X | X | X | D | B | B | X |
| Dichloroethyl Ether | X | X | A | X | X | X | X | X | X | X | X | X | X | B | X | X | X |
| Dichloro Isopropyl Ether | D | D | A | D | D | B | C | C | X | X | D | X | X | D | X | X | X |
| Dichloropenthane | D | D | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Dicyclohexylamine | D | B | A | X | D | D | D | D | X | X | X | X | X | X | X | X | X |
| Diesel Oil(Fuel ASTM #2) | B | D | A | B | D | B | D | A | D | X | B/70 | A | A | A | A | A | A |
| Di- Ester Lubricant Mil-L-7808 | C | D | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Di-Ester Synthetic Lubricants | D | D | A | D | D | D | D | A | X | X | X | X | X | A | A | A | A |
| DiethanolAmine | D | X | A | D | D | D | A | D | X | X | A | X | X | A | A | A | A |
| Diethyl Amine | D | C | A | X | B | C | B | D | X | X | A | X | A/70 | B | D | B | X |
| Diethyl Aniline | D | B | A | X | D | D | B | C | X | X | A | X | A | X | X | X | X |
| Diethyl Benzene | D | C | A | X | D | D | D | A | D | X | X | X | X | X | X | X | X |
| Diethyl Carbonate | D | D | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Diethyl Ether | D | B | A | C | D | A | D | D | D | X | D | A | A/70 | B | B | B | B |
| Diethyl Phthalate (Dep) | B | A | A | A | X | X | X | C | X | X | X | X | X | A | A | A | A |
| Diethyl Sebacate | B | B | A | A | D | D | B | A | X | X | A/120 | X | A/120 | A | A | A | A |
| Diethyl Sulfate | D | B | A | X | A | D | A | D | X | X | X | X | X | X | X | X | X |
| Diethylene Ether (Dioxane) | D | D | A | X | X | X | D | X | X | X | X | X | X | A | A | A | X |
| Diethylene Glycol | A | A | A | A | A | D | A | A | A | X | A | D | X | A | A | A | A |
| Diethylene Triamine | D | B | A | X | D | D | A | D | X | X | X | X | X | A | A | A | A |
| Difluorodibromomethane | D | B | A | D | D | D | B | X | X | X | X | X | X | X | X | X | X |
| Diisobutyl Ketone | D | B | A | X | D | D | A | D | X | X | X | X | X | A | A | A | A |
| Diisobutylene | C | C | A | D | C | D | D | A | A | X | A/120 | A | A | B | B | B | X |
| Diisodecyl Adipate (D10A) | X | X | A | X | X | X | X | C | X | X | X | X | X | X | X | X | X |
| Diisodecyl Phthalate (D10P) | X | X | A | X | D | X | A | C | X | X | X | X | X | X | X | X | X |
| DiisooctylAdipate (D10A) | X | X | A | X | X | X | X | C | X | X | X | X | X | A | A | A | A |
| DiisooctylPhthalate (D10P) | D | C | A | X | X | X | B | C | X | X | X | X | X | X | X | X | X |
| DiisooctylSebacate | D | D | A | X | D | D | C | B | X | X | X | X | X | X | X | X | X |
| Diisopropyl Amine | C | X | A | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Diisopropyl Benzene | D | C | A | D | D | D | D | A | X | X | X | A | X | X | X | X | X |
| Diisopropyl Ketone | D | C | A | X | D | D | A | D | X | X | X | A | A | X | X | A | X |
| Dimethylaniline | D | B | A | X | D | D | B | C | A | X | A | D | A/70 | A | X | X | B |
| Diemethyl Formamide | C | A | A | B | D | D | B | D | A | X | A/120 | C | D | A | A | A | A |
| Diemethyl Phthalate | D | A | A | A | D | D | B | A | X | X | A | X | A/70 | A | A | A | A |
| Dipentene | C | C | A | X | D | D | D | A | X | X | X | X | X | A | A | A | A |
| Diphenyl | D | C | A | X | D | D | D | A | X | X | X | X | A/120 | A | A | A | A |
| Diphenyl Oxides | D | C | A | X | D | D | D | A | X | X | X | D | A | B | A | A | B |
| Dipropylamine | X | X | A | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Dipropylene Gylcol | A | A | A | X | X | X | X | A | X | X | A | X | A | X | X | X | X |
| Dipropyl Ketone (Butyrone) | D | X | A | D | X | X | X | D | X | X | X | X | X | X | X | X | X |
| Dispersing Oil #10 | D | X | A | X | D | X | D | C | X | X | X | X | X | A | A | A | A |
| Divinyl Benzene (DVB) | D | D | A | X | D | X | D | A | X | X | X | X | X | X | X | X | X |
| Dodecyl Benzene (Alkane) | D | X | A | X | X | X | X | A | X | X | X | X | X | A | A | A | X |
| Dow (Silicones) | A | A | A | B | A | A | A | A | X | X | X | X | X | A | X | X | X |
| Dowtherm A | D | D | A | B | D | D | D | A | X | X | B | X | X | C | B | A | X |
| Dowtherm E | D | D | X | B | D | D | D | A | X | X | B | X | X | X | X | X | X |
| Dry Cleaning Fluid | D | D | A | X | D | D | D | A | D | X | D | X | A | A | A | A | X |
| DTE LightOil | B | D | B | B | B | D | D | A | A | X | X | X | X | X | X | X | X |
| Epichlorohydrin | D | B | A | D | D | D | C | D | X | X | A | A | C | D | A | A | A |
| Epsom Salts | A | A | A | X | A | X | A | A | A | X | A | B | A | A | A | A | B |
| Esam-6 Fluid | X | B | X | X | B | X | A | D | X | X | X | X | X | X | X | X | X |
| “Esstic 42, 43” | A | D | X | D | B | B | D | A | X | X | X | X | X | X | X | X | X |
| Ethane | C | C | A | X | B/70 | B/70 | D | A | X | X | C | A | X | A | A | A | A |
| Ethanol (Ethyl Alcohol) | A | A | A | A | A | D | A | A | A | X | A | A | A | B | A | A | A |
| Ethanolamine (Aminoethanol) | B | A | A | X | B | C | B | D | A | X | B | D | C | B | B | A | B |
| Ethanol Chloride | D | B | A | X | D | X | C | B | X | X | X | X | X | X | X | X | X |
| Ethers | D | C | A | X | D | D | C | D | D | A | C | A | A/70 | A | C | A | B |
| Ethyl Acetate | D | A | A | B | D | D | B | D | B | X | A | A/120 | A | B | A | A | B |
| Ethyl Acetoacetate | D | B | A | D | D | D | A | D | A | X | X | A | A/70 | A | A | A | A |
| Ethyl Acrylate | D | C | A | X | D | D | B | D | X | X | D | A | C | A | A | A | A |
| Ethylacrylic Acid | D | C | A | X | B | D | B | D | X | X | X | X | X | X | X | X | X |
| Ethyl Alcohol (Ethanol) | A | A | A | A | A | D | A | A/70 | A | X | A | X | A | B | B | A | A |
| Ehtyl Aluminium Dichloride | D | X | A | X | X | X | X | B | X | X | X | X | X | X | X | X | X |
| Ethyl Amine (Monoethylamine) | X | X | A | X | D | D | A | D | X | X | X | X | X | B | B | A | X |
| Ethyl Benzene | D | D | A | X | D | D | D | A | A | X | D | A | C | A | B | B | A |
| Ethyl Benzoate | D | C | A | X | D | D | D | A | X | X | B/70 | A | X | A | A | A | A |
| Ethyl Bromide | C | X | A | X | D | D | D | A | X | X | D | X | X | A | A | A | X |
| Ethyl Butyl Acetate | D | X | A | X | X | X | X | D | X | X | X | X | X | X | X | X | X |
| Ethyl Butyl Alcohol | A | X | A | D | X | D | X | B | X | X | X | X | X | X | X | X | X |
| Ethyl Butyl Ketone | D | X | A | X | X | X | X | D | X | X | X | X | X | X | X | X | X |
| Ethyl Butyraldehyde | D | X | A | X | X | X | X | D | X | X | X | X | X | X | X | X | X |
| Ethyl Butyrate | D | X | A | X | D | X | D | C | C | X | B/70 | X | X | B | A | A | A |
| Ethyl Caprylate | D | X | A | X | D | X | D | X | X | X | X | X | X | X | X | X | X |
| Etyl Cellosolve | C | B | A | X | D | D | B | D | X | X | X | A | X | X | X | X | X |
| Ethyl Cellulose | B | A | A | B | B | B | B | D | X | X | X | A | X | B | A | B | B |
| Ethyl Chloride | C | D | A | C | D | C | A/140 | A | D | X | D | A | A | D | C | A | B |
| Ethyl Chlorocarbonate | D | A | A | D | D | D | D | A | X | X | X | A | X | D | A | X | X |
| Ethyl Chloroformate | D | C | A | D | D | D | D | A | X | X | D | A | X | D | X | X | X |
| Ethyl Cyanide (Propionitrile) | D | X | A | X | B | X | A | D | X | X | X | X | X | X | X | X | X |
| Ethylcyclopentane | X | X | X | X | C | A | D | A | X | X | X | X | X | X | X | X | X |
| Ethyl Ether | D | D | A | X | D | D | D | D | D | X | C/70 | A/70 | B/170 | B | B | A | B |
| Ethyl Formate | D | B | A | D | B | X | B | A | C | X | X | A | X | C | A | B | B |
| Ethyl Hexyl Acetate | X | X | A | D | X | X | X | D | X | X | X | X | X | X | X | X | X |
| Ethyl Hexyl Alcohol (Ethylhexanol) | A | A | A | D | A | D | A | A | X | X | X | X | X | A | A | A | A |
| Ethyl Iodide | X | X | A | X | D | X | C | B | X | X | X | X | X | X | X | X | X |
| Ethyl Isobutryrate | X | X | A | X | D | X | D | X | X | X | X | X | X | X | X | X | X |
| Ethyl Mercaptan | D | C | A | X | D | A | D | B | X | X | X | X | X | B | A | B | B |
| Ethyl Oxalate | D | B | A | D | D | A | A | B | X | X | X | X | X | A | X | X | X |
| Ethyl Pentachlorobenzene | D | D | A | X | D | C | D | A | X | X | D | X | X | D | X | X | X |
| Ethyl Propionate | D | D | A | D | D | X | D | X | X | X | X | X | X | A | A | A | A |
| Ethyl Silicate | B | B | A | B | A | D | A | A | X | X | X | X | X | B | A | A | A |
| Ethyl Sulfate | D | B | A | X | A | D | A | D | X | X | X | X | X | X | X | D | X |
| Ethylene (Ethene) | B | C | A | D | C | B | D | A | X | X | X | A | X | A | A | A | X |
| Ethylene Chloride | D | D | A | C | D | D | C | C | C | X | C/70 | A | A | B | C | A | B |
| Ethylene Chlorohydrin | D | C | A | D | B | D | B | A | X | X | D | C/70 | A/70 | B | B | B | X |
| Ethylene Diamine | B | A | A | X | A | D | A | D | A | X | A | A | B/70 | A | A | A | C |
| Ethylene Dibromide | D | D | A | X | D | D | D | A | X | X | B/70 | X | A | D | B | A | B |
| Ethylene Dichloride | C | C | A | C | D | D | D | B | D | A | D | A | A | B | A | A | A |
| Ethylene Glycol | A | A | A | A/70 | A | B | A | A | A | X | A | B | A | B | B | A | A |
| Ehtylene Oxide | A | A | A | A | D | D | B | D | X | X | C/125 | A | A/70 | D | C | A | X |
| Ethylene Trichloride | X | X | A | X | D | D | D | A | X | X | D | X | A | D | A | A | X |
| Ethylidene Chloride | D | D | A | X | D | X | D | X | X | X | X | X | X | D | B | A | B |
| Fatty Acids | B | B | A | D | B/70 | D | D | A | A | A | B/140 | B | A | B | D | A | A |
| Ferric Chloride | A | A | A | B/140 | A/140 | A/70 | A/176 | A/176 | D | A | A | X | A | D | D | D | B |
| Ferric Hydroxide | B | B | A | X | B | X | B | B | X | X | X | X | X | X | X | A | B |
| Ferric Nitrate | A | A | A | D | B | A/70 | A | A | A | A | A | A | A | D | D | A | A |
| Ferric Sulfate | A | A | A | A | A | A | A | A | A | X | A | B | A | D | D | A | A |
| Ferrous Chloride | B | A | A | A | A | D | A | A | A | X | A | B | A | D | D | D | B |
| Ferrous Sulfate (Copperas) | A | A | A | A | A | A | A | A | A | X | A | B/70 | A | D | D | A | B |
| Fish Oil | A | B | A | B | B | B | D | A | A | X | X | X | X | X | X | X | X |
| Fluorine (Anhydrous) | D | D | B | D | D | D | D | B | X | X | D | A | A/70 | D | D | A | B |
| Fluorboric Acid | A | A | A | D | A | D | A | A | A | X | A | X | A | D | D | B | A |
| Fluorobenzene | D | C | A | X | D | X | D | A | X | X | D | A | X | D | X | X | X |
| Fluorocarbon Oil | D | D | A | X | A | X | A | X | X | X | D | X | X | D | A | A | A |
| Fluorochloroethylene | D | C | A | X | D | X | D | A | X | X | X | X | X | X | X | X | X |
| Fluorinated Cyclic Ethers | D | D | A | X | D | X | A | A | X | X | X | X | X | X | X | X | X |
| Fluorolube (Fluoro Carbonoil) | X | X | A | D | A | X | A | B | X | X | D | X | X | A | A | A | A |
| Fluorosulfonic Acid | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| FluosilicicAcid | A | A | A | B | A | B | B | A/140 | A | X | A | X | A | D | D | B | B |
| Formaldehyde | A | A/70 | A | B | B | D | A | A | A | X | A | A | A | A | D | A | B |
| Formamide | A | A | A | D | A | X | A | D | X | X | X | X | X | A | B | B | B |
| Formic Acid | A | A | A | B | D | D | B | B | A | X | A | D | A | D | D | A | A |
| Freon 11 | C | B | A | A | B | D | D | C | X | X | D | A | A | C | A | A | A |
| Freon 12 | C | D | A | A | A | A/130 | B | B | X | X | B | A | A | A | A | A | A |
| Freon 13 | D | X | A | C | A | C/70 | A | A | X | X | D | A | A | A | A | A | A |
| Freon 13BI | D | X | A | X | A | A | A | A | X | X | X | X | X | X | X | X | X |
| Freon 14 | A | X | A | X | A | A/170 | A | A | X | X | X | X | X | X | X | X | X |
| Freon 21 | D | X | A | X | D | X | D | D | X | X | D | A | A | D | X | X | X |
| Freon 22 | D | D | A | D | A | D | A | D | X | X | D | A | A | D | D | A | A |
| Freon 31 | D | X | A | X | A | X | A | D | X | X | X | A | X | D | X | X | X |
| Freon 32 | D | X | A | X | A | X | A | D | X | X | X | A | X | D | X | X | X |
| Freon 112 | B | X | A | X | B | B/70 | D | A | X | X | X | A | X | D | X | X | X |
| Freon 113 | D | D | A | A | A | B | D | B | X | X | D | A | A | D | X | A | A |
| Freon 114 | B | X | A | A | A | A/70 | D | A | X | X | D | A | A | C | X | A | X |
| Freon114B2 | X | X | A | X | A | X | D | B | X | X | X | X | X | X | X | X | X |
| Freon 142b | X | X | A | X | A | X | A | D | X | X | X | A | X | D | X | X | X |
| Freon 152a | X | X | X | X | X | X | X | X | X | X | X | A | X | C | X | X | X |
| Freon 152a | X | X | A | X | A | X | A | D | X | X | X | A | X | D | X | X | X |
| Freon 218 | X | X | A | X | A | X | X | A | X | X | X | A | X | D | X | X | X |
| Freon 502 | X | X | A | D | A | X | A | B | X | X | X | A | X | D | X | X | X |
| Freon, BF | X | X | A | X | B | X | D | A | X | X | X | X | X | D | X | X | X |
| Freon C316 | X | X | A | X | A | X | A | A | X | X | X | A | X | D | X | X | X |
| Freon C318 | X | X | A | X | A | X | A | A | X | X | X | A | X | D | X | X | X |
| Freon K-142B | X | X | X | X | X | X | X | X | X | X | X | A | X | D | X | X | X |
| freon K-152a | X | X | X | X | X | X | X | X | X | X | X | A | X | D | X | X | X |
| Freon, MF | X | X | A | A | D | D | D | D | X | X | X | X | X | D | X | X | X |
| Freon, PCA | X | X | X | X | A | A | D | B/70 | X | X | X | X | X | D | X | X | X |
| Freon, TF | X | D | A | A | A | B | D | B | X | X | X | A | B | D | A | A | A |
| Freon T-WD602 | X | X | A | X | B | A | B | A | X | X | X | X | X | D | X | X | X |
| Freon TMC | X | X | A | A | B | B | B | A | X | X | X | X | X | D | X | X | X |
| Freon T-P35 | X | X | A | X | A | A | A | A | X | X | X | X | X | D | X | X | X |
| Freon TA | X | X | A | X | A | A | A | C | X | X | X | X | X | D | X | X | X |
| Freon TC | X | X | A | X | A | A | B | A | X | X | X | X | X | D | X | X | X |
| Fuel Oil | B | C | A | B | A | D | D | A | D | A | A | B | A | A | A | A | A |
| Fumaric Acid (Boletic Acid) | X | A | A | B | B | X | B | A | C | X | X | X | X | X | X | X | X |
| Fuming Sulph. Acid (20/50% Oleum) | D | X | A | D | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Furan (Furfuran) | D | A | A | X | D | X | D | D | X | X | C | X | D | A | A | A | X |
| Furfural (Ant Oil) | D | A | A | B | C | D | A | D | B | X | D | B | B/120 | A | B | A | B |
| Furfuryl Alcohol | D | C | A | B | D | D | B | D | X | X | X | X | B/100 | A | A | A | A |
| Furyl Carbinol | D | X | A | X | D | D | B | D | X | X | X | X | X | X | X | X | X |
| Fusel Oil (Grain Oil) | X | X | A | X | B | C/70 | A | A | X | X | X | X | X | X | X | X | X |
| Gallic Acid | D | B | A | D | B | D | B | A | A | A | A | X | A/70 | A | D | B | B |
| Gasoline (Aviation) | D | C | A/170 | A | D | C | D | A | C | A | D | A | A | X | X | X | X |
| Gasoline (Leaded) | C | C | A | A | D | C | D | A | X | X | D | A | A | A | A | A | A |
| Gasoline (Unleaded) | C | C | A | X | D | D | D | A | B | X | D | A | A | A | A | A | A |
| Gelatin | A | A | A | B | A | D | A | A | A | X | A | B | A | A | D | A | A |
| Glacial Acetic Acid | D | A | A | D | D | D | A | D | X | X | X | X | X | X | X | X | X |
| Glauber’s Salt | X | X | A | B | A | A | B | A | A | X | X | X | X | X | X | X | X |
| Glucose (Corn Syrup) | A | A | A | B | A | A | A | A | A | A | A | A | A | A | B | A | A |
| Glue | D | A | A | A | A | A | A | A | A | X | A | B | A | B | A | A | A |
| Glycerine - Glycerol | A | A | A | A | A | D | A | A | A | A | A | A | A | A | B | A | A |
| Glycolic Acid | A | X | A | X | A | X | X | A | A | X | A | A | A/70 | X | X | X | A |
| Grape Juice | A | A | X | X | A | D | A | A | A | X | A | B | A | B | D | A | X |
| Grapefruit Oil | X | A | A | X | D | X | X | A | X | X | X | X | X | X | D | A | X |
| Grease (Ester Base) | C | B | A | X | X | X | X | X | X | X | A | A | A | A | A | A | A |
| Grease (Petroleum Base) | A | D | A | A | D | A | D | A | X | X | A | A | A | A | A | A | A |
| Grease (Silicone Base) | A | B | A | X | X | X | X | X | X | X | A | A | A | A | A | A | A |
| Green Sulfate Liquor | B | A | A | D | B | A | A | A | A | X | A | X | X | B | C | A | B |
| Halothane | D | X | X | X | D | D | X | A | X | X | X | X | X | X | X | X | X |
| Halowax Oil | D | D | A | X | D | X | D | A | X | X | X | X | X | D | X | X | X |
| Hannifin Lube A | A | D | X | X | A | A | D | A | X | X | X | X | X | X | X | X | X |
| Heavy Water | A | B | X | B | X | D | A | X | X | X | X | X | X | A | C | A | A |
| HEF - 2 (High Energy Fuel) | B | D | X | X | A | D | D | A | X | X | X | X | X | X | X | X | X |
| Helium | A | A | A | X | A | A | A | A | X | X | A | A | X | A | A | A | X |
| Heptane | B | C | A | B | A | B | D | A | X | A | B/70 | A | A | A | A | A | A |
| N-Hexaldehyde | D | C | A | D | A | B | A | D | X | X | X | X | X | A | A | A | X |
| Hexane | B | C | A | A | D | B | D | A | X | A | B/70 | A | A | A | A | A | A |
| Hexanol | A | C | A | D | D | D | A | A | X | X | A/70 | A/70 | X | A | A | A | A |
| Hexyl Alcohol | B | B | A | D | B | D | A | B | A | X | X | X | A | A | A | A | X |
| Hexylene Glycol | X | X | A | D | A | X | C/70 | A | X | X | X | X | X | A | A | A | A |
| Hilo MS #1 | D | X | X | D | D | B | A | D | X | X | X | X | X | X | X | X | X |
| Houghto-Safe 271 (Water &Glycol Base) | X | A | A | B | B | D | A | B | X | X | X | X | X | X | X | X | X |
| 620 Water/Glycol | B | A | A | A | B | B | A | B | X | X | X | X | X | X | X | X | X |
| 1010, Phosphate Ester | D | A | A | B | D | A | A | A | X | X | X | X | X | X | X | X | X |
| 1055, Phosphate Ester | D | A | A | B | D | A | A | A | X | X | X | X | X | X | X | X | X |
| 1120, Phosphate | D | A | A | B | D | A | A | A | X | X | X | X | X | X | X | X | X |
| 5040 (Water/Oil Emulsion) | A | D | A | B | B | D | D | A | X | X | X | X | X | X | X | X | X |
| HydraulicOils (Petroleum) | A | D | A | A | B | X | D | A | A | A | D | B | X | A | A | A | A |
| HydraulicOils (Synthetic) | A | D | A | A | D | B | D | A | A | X | D | B | X | A | A | A | A |
| Hydrazine (Diamine) | D | A | A | D | B | D | A | D | X | X | C | B | A/120 | A | D | A | A |
| Hydrobromic Acid | D | B | A | X | D | X | A | X | A | X | B | D | A | D | D | D | A |
| Hydrochloric Acid 20% | D | A | A | D | D | B | A | A | A | X | A | D | A | D | D | D | A |
| Hydrochloric Acid 37% | D | B | A | D | D | D | B | A | A | X | A | D | A | D | D | D | A |
| Hydrocyanic Acid | D | A | A | D | B | D | A | A | A | X | A | D | A | A | D | A | A |
| Hydrofluoric Acid 20% | D | D | A | D | D | D | B | A | X | X | A | D | A | D | D | D | D |
| Hydrofluoric Acid 50% | D | D | A | D | D | D | B | A | X | X | B/70 | D | A | D | D | D | D |
| Hydrofluoric Acid 75% | D | D | A | D | D | D | D | D | X | X | B/70 | D | A | D | D | D | D |
| Hydrofluoric Acid Concentrated | D | D | A | D | D | D | D | D | A | X | D | D | A | D | D | D | D |
| Hydrofluosilicic Acid | D | B | A | B | B | D | A | A | A | X | A | X | A | D | D | D | B |
| Hydrogen | A | A | A | A | A | A | B | A | A | X | X | X | X | X | X | X | X |
| HydrogenChloride Gas | B | B | A | X | B | X | A | A | X | X | A/140 | X | A | D | A | A | A/125 |
| HydrogenCyanide Gas | A | A | A | D | D | D | A | A | X | X | A | X | A | D | A | B | X |
| HydrogenFluoride | D | X | B/70 | D | X | D | B/70 | A | X | X | A/70 | X | X | D | X | D | A |
| HydrogenPeroxide | C | A | A | D | D | C | C | A | A | X | A/70 | D | A/70 | A | D | A | A |
| HydrogenSulfide Dry | D | A | A | A | A | A | A | D | A | A | A | A | A | B | D | B | A |
| HydrogenSulfide Wet | D | A | A | A | A | D | A | D | A | X | A | C | A | D | D | A | A |
| Hydrolube-Water/Ethylene Glycol | A | A/250 | A | B/150 | B/70 | D | A/70 | A/70 | X | X | A | D | A | A | A | A | A |
| Hydroquinone | C | A | A | X | D | X | D | C | A | X | A | A | A | A | B | B | B |
| Hydyne | B | D | A | X | B | X | A | D | X | X | X | X | X | X | X | X | X |
| Hydroxyacetic Acid | D | A | A | X | D | D | A/70/100% | D | X | X | X | C | X | D | B | B | X |
| Hypochlorous Acid | D | A | A | X | D | D | B | A | A | X | A | D | A | D | D | D | A |
| Hypoid Grease (Parapoid 10-C) | B | X | A | X | D | D | D | C | X | X | X | A | X | X | X | X | X |
| Ink (Printers) | A | A | A | A | A | A | A | A | A | A | X | A | A | C | D | A | A |
| Iodine | B | A | A | B | D | D | B | A | B | X | A | A | A/150 | D | D | D | B |
| Iodine Pentafluoride | D | B | A | X | D | D | D | D | D | X | X | X | X | X | X | X | X |
| Iodoform | B | B | A | X | B | D | B | A | X | X | X | X | A | B | A | B | D |
| Isoamyl Acetate | D | X | A | X | D | D | B | D | X | X | X | X | X | A | A | A | A |
| Isoamyl Alcohol | X | X | A | X | A | C | A | A | X | X | X | X | X | X | X | X | X |
| Isoamyl Butyrate | D | X | A | X | X | X | X | D | X | X | X | X | X | A | A | A | A |
| Isoamyl Chloride | D | X | A | X | D | X | D | A | X | X | X | X | X | D | X | X | X |
| Iso Butane | X | X | A | X | D | A | D | A/70 | X | X | X | X | X | X | X | X | X |
| Iso Butyl Acetate | D | X | A | X | D | X | C/70 | D | X | X | X | X | X | A | A | A | A |
| Isobutyl Alcohol | B | A | A | X | A/80 | D | A/160 | A/75 | A | X | A/70 | A | A | B | C | A | A |
| Isobutyl Amine | D | X | A | X | X | X | X | D | X | X | X | X | X | X | X | X | X |
| Isobutyl Chloride | D | X | A | X | X | X | X | B | X | X | X | X | X | D | B | B | A |
| IsobutyricAcid | D | X | A | X | B | X | A | X | X | X | X | X | X | A | X | X | X |
| Iso-Butyl N-Butane | D | X | A | D | X | D | X | B | X | X | X | X | X | X | X | X | X |
| Isocyanates | C | X | A | B | X | B | X | B | X | X | A | A | X | X | A | A | A |
| Isododecane | A | X | A | X | B/70 | B/70 | D | A/70 | X | X | X | X | X | B | B | B | B |
| Isoocatane | C | C | A | A/158 | B | A | A/70 | A | A | X | A/120 | X | A/70 | A | A/70 | A/70 | A |
| Isopentane | A | X | A | X | D | B | D | A | X | X | X | X | X | X | X | X | X |
| Isophorone (Ketone) | D | B | A | X | D | D | A | D | X | X | X | X | X | A | A | A | A |
| Isopropanol (Isopropyl Alcohol) | A | B | A | A/70 | B/120 | B | A/160 | A/170 | X | A | A | A | A | A | A | A | A |
| IsopropylAcetate | D | B | A | C | D | D | B | D | C | X | A | A | X | B | A | A | B |
| IsopropylAlcohol (Isopropanol) | A | B | A | A | B | D | A | A | A | A | A | A | A | A | A | A | A |
| IsopropylAmine | D | X | A | X | X | X | X | D | X | X | X | X | X | X | A | A | X |
| IsopropylBenzene (Cumene) | D | X | A | X | D | D | D | A | D | X | X | X | X | X | X | X | X |
| IsopropylChloride | D | C | A | X | D | D | D | A | X | X | D | A | X | D | A | A | X |
| IsopropylEther | B | C | A | X | D | B | D | D | A | X | B/70 | A | X | A | X | A | A |
| JP-1 | C | D | A | X | D | C | D | A | A | X | D | A | A | A | A | A | A |
| JP-2 | C | C | A | X | D | C | D | A | A | X | D | A | A | A | A | A | A |
| JP-3 (Mil-J-5624) | C | C | A | X | D | C | D | A | A | X | A/70 | A | A | A | A | A | A |
| JP-4 (Mil-J-5624) | A | D | A | A | D | C | D | A | A | X | A/70 | A | A | A | A | A | A |
| JP-5 (Mil-J-5624) | C | C | A | X | D | B | D | A | A | X | A/70 | A | A | A | A | A | A |
| JP-6 (Mil-J-25656) | C | C | A | X | D | C | D | A | A | X | D | A | A | A | A | A | A |
| JP-X(Mil-F-25604) | A | C | A | X | B | X | D | D | A | X | D | A | A | A | A | A | A |
| Kel F Liquids | X | X | A | X | X | X | A | B | X | X | X | X | X | X | X | X | X |
| Kerosene | A | C | A | A | X | B | X | A | C | A | B/72 | A | A | A | A | A | B |
| Ketones | D | C | A | D | D | D | A | D | C | A | D | A | A/70 | B | X | A | A |
| Keystone #87HX-Grease | X | X | A | X | D | A | D | A | A | X | X | X | X | X | X | X | X |
| Lactam-Amino Acids | X | X | A | X | B | X | B | D | X | X | X | X | X | X | X | X | X |
| Lacquer Solvents | D | C | A | B | D | D | D | D | A | B | C | A | D | A | B | A | X |
| Lacquers | D | C | A | D | D | D | D | D | A | X | C | A | D | A | C | A | A |
| Lactic Acid- 5%Solution | B | A | A | D | A | B | A | A | A | X | A | A | A/70 | C | D | A | B |
| Lactol | X | X | A | X | D | X | X | A | X | X | D | A | X | A | A | A | A |
| Lard Oil (Hot) | X | B | A | B | A | C | B | A | A | A | B | AA | A | A | A | A | A |
| Latex | A | A | A | X | A | D | A | A | X | X | A | A | X | A | X | A | X |
| Lauryl Alcohol (N-Dodecanol) | X | X | A | X | X | D | X | B | A | X | X | X | X | A | A | A | A |
| Lavender Oil | B | B | A | X | D | X | D | A | X | X | X | X | X | X | X | X | X |
| Lead Acetate | B | A | A | X | B | D | A | A | A | A | A | A | A | D | A | B | B |
| Lead Chloride | X | X | A | X | B | X | A | A | X | X | A | X | A | D | X | B | B |
| Lead Nitrate | A | X | A | X | A | X | A | A | A | X | A | X | A | D | B | B | B |
| Lead Sulfamate | A | A | A | X | A | X | A | A | X | X | A | A | A | C | X | X | X |
| Lehigh X1169 | X | X | A | X | B | A | D | A | X | X | X | X | X | X | X | X | X |
| Lehigh X1170 | X | X | A | X | B | A | D | A | X | X | X | X | X | X | X | X | X |
| Lemon Oil | X | C | A | X | C | X | C | A | X | X | X | X | X | A | X | A | X |
| Light Grease | X | X | A | X | D | A | D | A | X | X | X | A | X | X | X | X | X |
| Ligroin (Petro Ether or Benzine) | B | B | A | X | B | C | D | A | X | X | B/175 | B | A | X | A | A | X |
| Lignin Liquor | X | X | A | X | A | D | D | A | X | X | X | X | X | X | X | A | X |
| Lime | A | A | A | A | A | B | A | A | X | X | B | X | A | C | A | A | X |
| Lime Bleach | B | A | A | X | B | X | A | A | X | X | B | X | X | D | X | A | X |
| Lime Slurries | A | A | A | X | A | B | C | D | X | X | X | X | X | B | X | B | X |
| Lime Sulfur | A | B | A | X | A | A | A | A | A | X | A | X | A | D | X | A | X |
| “Lindol, Hydraulic Fluid” | D | A | A | X | D | D | A | B | X | X | X | X | X | X | X | X | X |
| Limonene | D | X | A | X | D | X | D | A | X | X | X | X | X | X | X | X | X |
| Linoleic Acid | B | B | A | X | D | X | D | B | A | X | A | X | A | A | X | A | A |
| Linseed Oil | A | B | A | B | A | B | C | A | X | X | A | A | A | A | A | A | A |
| Liquid Oxygen | D | X | A | X | D | D | D | D | X | X | X | X | X | X | X | X | X |
| Liquid Petroleum Gas (LPG) | D | C | A | B | C | C | D | A | X | X | D | A | X | X | X | X | A |
| Liquimoly | A | X | A | X | B | B/70 | D | A | X | X | X | X | X | X | X | X | X |
| Lithuim Bromide | A | X | A | X | D | D | A | A | X | X | X | X | A | X | A | X | X |
| Lithium Chloride | A | X | A | X | A | D | A | A | D | X | A/125 | A | X | D | B | A | A |
| Lithium Hydroxide | D | X | A | X | D | D | A | C | D | X | A/70 | X | X | D | B | B | B |
| Lubricating Oil Di-Ester | A | D | A | D | C | D | D | A | A | X | X | X | X | X | X | X | X |
| Petroleum Base | B | D | A | A | B/150 | B/70 | D | A | B | X | C | A | A | A | A | A | A |
| SAE 10,20, 30, 40, 50 | A | D | A | A | D | A | D | A | A | X | C | A | A | A | A | A | A |
| Lye Solutions | B | A | A | C | A | B | A | B | A | X | A | D | A/150 | X | X | A | X |
| Lysol | B | X | A | X | B | X | X | X | X | X | X | X | X | X | X | X | X |
| Magnesium Bisulfite | C | X | A | X | B | X | X | X | X | X | X | X | X | X | X | X | X |
| Magnesium Carbonate | A | A | A | X | A | B | B | A | A | X | A | A | A | D | B | A | B |
| Magnesium Chloride | A | A | A | B | A | X | A | A | A | A | A | B | A | D | D | D | A |
| Mag. Hydroxide (Milk of Magnesia) | A | A | A | B | A | A | A | A | A | A | A | A | A | D | B | A | A |
| Magnesium Nitrate | A | A | A | X | A | B | A | A | A | X | A | A | A | D | D | A | A |
| Magnesium Oxide | A | A | A | X | A | X | A | A | X | X | X | A | X | B | A | A | A |
| Magnesium Salts | A | A | A | X | A | A | A | A | X | X | X | X | X | X | X | X | X |
| Magnesium Sulfate | B | A | A | B | A | D | A | A | B | A | B | A | A | D | C | A | B |
| Magnesium Sulfite | B | A | A | X | A | X | A | A | X | X | X | X | X | X | X | X | X |
| Malathion | X | X | A | D | X | D | D | A | X | X | X | X | X | X | X | X | X |
| Maelic Acid | A | A | A | X | D | D | A | A | A | A | B | A | A | B | A | A | B |
| Maelic Anhydride | D | A | A | X | D | X | D | A | X | X | X | A | X | A | B | A | A |
| Malic Acid | B | A | A | X | B | X | D | A | X | A | B | A | A | B | D | A | B |
| Manganese Chloride | A | X | A | X | B | B | C | A | A | X | A | X | X | X | D | X | B |
| Malt Beverages | B | A | A | X | A | B | A | A | A | X | X | X | X | X | X | X | X |
| Maple Sugar Liquors (Sucrose) | A | A | A | X | A | D | A | A | X | X | X | X | X | X | X | X | X |
| Mash | A | A | X | X | A | A | X | X | X | X | X | A | X | X | X | A | X |
| Mayonnaise | A | A | A | X | A | D | D | A | A | A | A | A | A | D | D | A | A |
| MCS 312 | D | X | A | X | D | X | D | A | X | X | X | X | X | X | X | X | X |
| MCS 352 | D | X | A | X | D | D | A | D | X | X | X | X | X | X | X | X | X |
| MCS 463 | D | X | A | X | D | D | A | D | X | X | X | X | X | X | X | X | X |
| MelamineResins | C | B | A | X | D | D | A | A | X | X | X | A | X | X | X | D | A |
| Mercaptan | D | X | A | X | D | D | A | D | X | X | X | X | X | X | X | X | X |
| Mercuric Chloride | A | A | A | B | A | A | A | A | A | X | A | B | A | D | D | D | B |
| Mercuric Cyanide | A | A | A | D | B | X | A | A | A | X | A | X | A | D | C | A | A |
| Mercurous Nitrate | B | X | A | X | B | X | A | A | A | X | A | X | A | D | B | B | B |
| Mercury | A | A | A | A | A | A | A | A | A | A | A | A | A | C | A | A | A |
| Mesityl Oxide | D | C | A | X | D | D | B | D | X | X | X | X | X | A | A | A | A |
| Methane | B | C | A | B | B | C | D | A | X | X | B | A | A | A | X | A | A |
| Methanol | A | A | A | A | A | D | A | D | A | X | A/120 | A | A | B | X | A | A |
| Methyl Acetate | D | B | A | C | D | D | B | D | X | X | C | A | B | A | A | A | A |
| Methyl Acetoacetate | D | X | A | X | D | D | B | D | X | X | X | X | X | X | A | A | A |
| Methyl Acetone | D | B | A | X | D | X | A | D | X | X | D | A | D | A | A | A | A |
| Methyl Acrylate | D | D | A | X | D | D | B | D | X | X | X | A | B | X | A | A | X |
| Methyl Acrylic Acid | X | A | A | X | C | D | B | C | X | X | X | A | X | X | X | X | X |
| Methyl Alcohol | A | A | A | A | C | D | A | C | A | A | A | A | A | B | A | B | A |
| Methyl Amine | B | X | A | X | C | X | A | C | X | X | X | A | C | B | A | A | B |
| Methyl Amyl Acohol | B | X | A | X | D | X | X | D | X | X | X | X | X | A | A | A | A |
| Methyl Aniline | D | X | A | X | B | D | D | B | X | X | X | X | X | X | X | X | X |
| Methyl Benzoate | D | X | A | X | A | D | D | A | X | X | X | X | X | X | X | X | X |
| Methyl Bromide | B | D | A | X | A | D | D | A | C | X | D | A | A | D | A | A | B |
| Methyl Butyl Ketone | D | C | A | X | D | D | A | D | X | X | D | A | D | A | X | A | X |
| Methyl Butyrate | D | X | A | X | D | X | D | X | X | X | X | X | X | A | A | A | A |
| Methyl Carbonate | D | X | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Methyl Cellosolve | C | B | A | X | B | D | B | D | X | X | B | A | A | A | C | X | X |
| Methyl Cellulose | B | X | A | X | B | B/70 | B | D | X | X | X | X | X | X | X | X | X |
| Methyl Chloride | D | D | A | D | D | D | D | B | C | X | D | A | A | D | D | A | B |
| Methyl Chloroformate | D | X | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| Methyl Cyanide | C | X | A | X | A | X | A | D | X | X | X | X | X | X | X | X | X |
| Methyl Cyclopentane | D | C | A | X | D | D | X | A | A | X | X | A | X | X | X | X | X |
| Methyl D-Bromide | D | X | A | X | D | D | X | A | X | X | X | X | X | X | X | X | X |
| Methyl Dichloride | D | D | A | X | D | X | D | A | X | X | D | A | D | D | X | X | X |
| Methyl Ether | X | X | A | X | C | X | A | A | X | X | X | X | X | X | X | X | X |
| Methyl Ethyl Ketone (MEK) | B | B | A | B | D | D | A | D | D | X | C/125 | B | D | A | A | A | A |
| Methyl Formate | D | B | A | X | B | D | B | D | X | X | X | A | X | A | B | B | X |
| Methyl Hexane | X | X | A | X | B | X | D | A | X | X | X | X | X | X | X | X | X |
| Methyl Iodide | D | X | A | X | D | X | A | X | X | X | X | X | X | D | A | A | A |
| Methyl Isopropyl Ketone | D | C | A | X | D | D | C | D | C | X | C | A | X | A | C | A | X |
| Methyl Methacrylate | D | B | A | X | D | D | D | D | X | X | A | A | B | B | C | A | X |
| Methyl Oleate | D | C | A | X | D | X | B | A | X | X | X | A | X | X | X | X | X |
| Methyl Salicylate | D | B | A | X | D | X | B | B | X | X | B | A | B | A | A | X | X |
| Methylamine | X | A | A | X | X | X | A | X | X | X | X | A | C | B | A | A | B |
| Methylene Bromide | D | X | A | X | D | X | D | C | X | X | X | X | A | D | A | A | A |
| Methylene Chloride | C | D | A | D | D | D | C | B | D | X | D | A | B | D | B | A | A |
| Methylene Dichloride | D | X | A | X | D | D | D | B | X | X | X | X | X | X | X | X | X |
| Milk | A | A | A | B | A | D | A | A | A | A | A | A | A | A | D | A | A |
| Mine Water | A | B | A | X | C | D | A | A | A | X | A | A | A | A | A | A | A |
| Mineral Oil | A | D | A | A | A | A | D | A | C | A | B | A | A | A | A | A | A |
| MLO-7277 Hydr. | X | X | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |
| MLO-75557 | X | X | A | X | D | D | D | A | X | X | X | X | X | X | X | X | X |