Rubber Chemical Resistance Chart
Welcome to our Rubber Chemical Resistance Chart
Here is page 3 of our rubber chemical compatibility chart for all our popular rubber materials. Use this rubber chemical resistance chart to make sure that the elastomer or O-ring seal you choose will be compatible with whatever environment it may come into contact with.
LEGEND: 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data
| Nitrile | EPDM | Neoprene | SBR | Silicone | Butyl | Polyacrylate | Hypalon | Viton | Polyurethane | Fluorosilicone | Aflas | Kalrez | |
| Dow Guard | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 3 | 1 | X | 1 |
| Dowanol P Mix | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Dowtherm, 209 | 3 | 1 | 2 | X | 3 | 2 | X | X | 4 | X | 3 | X | 1 |
| Dowtherm, A | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Dowtherm, E | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Drinking Water | 1 | 1 | 2 | 1 | 1 | 1 | 4 | 1 | 1 | 4 | 1 | X | 1 |
| Dry Cleaning Fluids | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| DTE 20 Series, Mobil | 2 | 4 | 1 | X | 4 | 4 | 2 | 2 | 1 | 1 | 2 | 2 | 1 |
| DTE named series, Mobil, light-heavy | 1 | 4 | 2 | 4 | 3 | 4 | X | 1 | 1 | 1 | 1 | 2 | 1 |
| Elco 28-EP lubricant | 1 | 4 | 3 | 4 | 2 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Epichlorohydrin | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Epoxy Resins | X | 1 | 1 | X | X | 1 | X | X | 4 | X | X | X | 1 |
| Erucic Acid | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Esam-6 Fluid | X | 1 | 2 | 1 | X | 2 | X | 2 | 4 | X | 4 | X | 1 |
| Esso Fuel 208 | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 3 | 1 | 4 | 1 | X | 1 |
| Esso Golden Gasoline | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 1 | X | 1 |
| Esso Motor Oil | 1 | 4 | 3 | 4 | 4 | 4 | 1 | 4 | 1 | 4 | 1 | X | 1 |
| Esso Transmission Fluid (Type A) | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 3 | 1 | X | 1 |
| Esso WS2812 (MIL-L-7808A) | 1 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 1 | 4 | 1 | X | 1 |
| Esso XP90-EP Lubricant | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Esstic 42, 43 | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Ethane | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 3 | 3 | X | 1 |
| Ethanol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ethanol Amine | 2 | 1 | 2 | 2 | 2 | 2 | 4 | 3 | 4 | 3 | 4 | X | 1 |
| Ethers | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 3 | 2 | 3 | X | 1 |
| Ethoxyethyl Acetate (EGMEEA) | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ethyl Acetate-Organic Ester | 4 | 2 | 4 | 4 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Ethyl Acetoacetate | 4 | 2 | 4 | 3 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Ethyl Acrylate | 4 | 2 | 4 | 4 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Ethyl Alcohol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ethyl Ammonium Dichloride | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Ethyl Benzene | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 1 | X | 1 |
| Ethyl Benzoate | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 1 | X | 1 |
| Ethyl Bromide | 2 | 4 | 4 | X | X | 4 | X | 4 | 1 | X | 1 | X | 1 |
| Ethyl Cellosolve | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Ethyl Cellulose | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 2 | 4 | 2 | 4 | X | 1 |
| Ethyl Chloride | 1 | 3 | 4 | 4 | 4 | 4 | 3 | 4 | 1 | 2 | 1 | X | 1 |
| Ethyl Chlorocarbonate | 4 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Ethyl Chloroformate | 4 | 2 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Ethyl Ether | 3 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 2 | 3 | X | 1 |
| Ethyl Formate | 4 | 2 | 2 | 4 | X | 2 | X | 2 | 1 | X | 1 | X | 1 |
| Ethyl Hexanol | 1 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 1 | 4 | 1 | X | 1 |
| Ethyl Lactate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ethyl Mercaptan | 4 | X | 3 | 4 | 3 | 4 | X | 3 | 2 | X | X | X | 1 |
| Ethyl Nitrite | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ethyl Oxalate | 4 | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | X | 2 | X | 1 |
| Ethyl Pentachlorobenzene | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Ethyl Pyridine | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Ethyl Silicate | 1 | 1 | 1 | 2 | X | 1 | X | 2 | 1 | X | 1 | X | 1 |
| Ethyl Stearate | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Ethyl Sulfate | X | 1 | X | X | X | X | X | X | 4 | X | X | 1 | 1 |
| Ethyl Tertiary Butyl Ether | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Ethyl Valerate | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Ethylacrylic Acid | 4 | 2 | 2 | 4 | 4 | 2 | 4 | 4 | X | 4 | 4 | X | X |
| Ethylamine | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ethylcyclopentane | 1 | 4 | 3 | 4 | 4 | 4 | 2 | 4 | 1 | 1 | 1 | X | 1 |
| Ethylene | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 2 | X | 1 |
| Ethylene Chloride | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 2 | X | 1 |
| Ethylene Chlorohydrin | 4 | 2 | 2 | 2 | 3 | 2 | 4 | 2 | 1 | 4 | 2 | X | 1 |
| Ethylene Cyanohydrin | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Ethylene Diamine | 1 | 1 | 1 | 2 | 1 | 1 | 4 | 2 | 4 | 4 | 4 | X | 2 |
| Ethylene Dibromide | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 1 | 4 | 3 | X | 1 |
| Ethylene Dichloride | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 1 | 4 | 3 | X | 1 |
| Ethylene Glycol | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 2 | 1 | X | 1 |
| Ethylene Hydrochloride | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 1 | 4 | 3 | X | 1 |
| Ethylene Oxide | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Ethylene Oxide, (12%) and Freon 12 (80%) | 3 | 2 | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | 4 | X | 2 |
| Ethylene Trichloride | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 1 | 4 | 3 | X | 1 |
| Ethyleneimine | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Ethylmorpholene Stannous Octotate (50/50 mixture) | 4 | 2 | X | 4 | X | 2 | X | X | 4 | X | X | X | 1 |
| Ethylmorpholine | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Ethylsulfuric Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| F-60 Fluid (Dow Corning) | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | X | 1 |
| F-61 Fluid (Dow Corning) | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | X | 1 |
| Fatty Acids | 2 | 3 | 2 | 4 | 3 | 3 | X | 2 | 1 | X | X | X | 1 |
| FC-43 Heptacosofluorotri-butylamine | 1 | 1 | 1 | 4 | 1 | 1 | X | 1 | 1 | X | 1 | X | 1 |
| FC75 & FC77 (Fluorocarbon) | 1 | 1 | 1 | 4 | 1 | 1 | X | 1 | 2 | X | 2 | X | 1 |
| Ferric Acetate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferric Ammonium Sulfate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferric Chloride | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Ferric Ferrocyanide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferric Hydroxide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferric Nitrate | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | X | 1 |
| Ferric Persulfate | 1 | 1 | 1 | X | X | X | X | X | 1 | X | X | 1 | 1 |
| Ferric Sulfate | 1 | 1 | 1 | X | X | X | X | X | 1 | X | X | 1 | 1 |
| Ferrous Ammonium Citrate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferrous Ammonium Sulfate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferrous Carbonate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferrous Chloride | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Ferrous Iodide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferrous Sulfate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Ferrous Tartrate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Fish Oil | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Fisher Reagent | X | 2 | X | X | X | X | X | X | X | X | X | X | X |
| Fluorinated Cyclic Ethers | X | 1 | X | X | X | X | X | X | X | X | X | X | 1 |
| Fluorine (Gas) | X | X | X | X | X | X | X | X | X | X | X | X | 2 |
| Fluorine (Liquid) | 4 | 4 | X | X | X | X | X | X | 2 | X | X | X | 2 |
| Fluorobenzene | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Fluoroboric Acid | 1 | 1 | X | X | X | X | X | X | X | X | X | X | 1 |
| Fluorocarbon Oils | X | 1 | X | X | X | X | X | X | X | X | X | X | 2 |
| Fluoroform (Trifluoromethane) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Fluorolube | 1 | 1 | 1 | 4 | 1 | 1 | X | 1 | 2 | X | 2 | X | 1 |
| Fluorophosphoric Acid | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Fluorosilicic Acid | 1 | 2 | 1 | X | X | X | X | X | 2 | X | X | 1 | 1 |
| Fluorosulfonic Acid | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Formaldehyde | 3 | 2 | 3 | 3 | 2 | 2 | 4 | 2 | 4 | 4 | 4 | X | 1 |
| Formamide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Formic Acid | X | 1 | 1 | X | X | X | X | X | 4 | X | X | 3 | 1 |
| Freon, 11 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 2 | X | 2 | X | 2 |
| Freon, 112 (Tetrachlorodifluoroethane) | 2 | 4 | 2 | 4 | 4 | 4 | X | 2 | 1 | X | X | X | 1 |
| Freon, 113 | 1 | 4 | 1 | 2 | 4 | 4 | X | 1 | 2 | 1 | X | X | 3 |
| Freon, 113 + High and Low Aniline Oil | 1 | X | X | X | X | X | X | X | X | X | X | 4 | 3 |
| Freon, 114 | 1 | 1 | 1 | 1 | 4 | 1 | X | X | 1 | X | X | X | 2 |
| Freon, 114B2 | 2 | 4 | 2 | 4 | 4 | 4 | X | 1 | 2 | X | X | X | 2 |
| Freon, 115, 116 | 1 | 1 | 1 | 1 | X | 1 | X | X | 2 | X | X | X | 2 |
| Freon, 12 | 2 | 3 | 1 | 1 | 4 | 3 | X | 1 | 3 | 1 | 3 | X | 2 |
| Freon, 12 and ASTM Oil #2 (50/50 Mixture) | 2 | 4 | 3 | 4 | 4 | 4 | X | 2 | 1 | X | 2 | X | 1 |
| Freon, 12 and Suniso 4G (50/50 Mixture) | 2 | 4 | 3 | 4 | 4 | 4 | X | 2 | 1 | X | 2 | X | 1 |
| Freon, 123 (Dichlorotrifluoroethane) | X | X | X | X | X | X | X | X | X | X | X | X | 4 |
| Freon, 124 (Chlorotetrafluoroethane) | X | X | X | X | X | X | X | X | X | X | X | X | 2 |
| Freon, 125 (Pentafluoroethane) | X | X | X | X | X | X | X | X | X | X | X | X | 2 |
| Freon, 13 | 1 | 1 | 1 | 1 | 4 | 1 | X | 1 | 1 | X | 4 | X | 1 |
| Freon, 134a (Tetrafluoroethane) | X | X | X | X | X | X | X | X | X | X | X | X | 3 |
| Freon, 13B1 | 1 | 1 | 1 | 1 | 4 | 1 | X | 1 | 1 | X | 2 | X | 2 |
| Freon, 14 | 1 | 1 | 1 | 1 | 4 | 1 | X | 1 | 1 | 1 | X | X | 1 |
| Freon, 141b (Dichlorofluoroethane) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Freon, 142b | 2 | 4 | 1 | X | X | X | X | X | 2 | X | X | 4 | 3 |
| Freon, 152a (Difluoroethane) | X | X | X | X | X | X | X | X | X | X | X | X | 3 |
| Freon, 21 | 4 | 4 | 3 | 4 | 4 | 4 | X | 4 | 4 | X | X | X | 1 |
| Freon, 218 | 1 | 1 | X | X | X | X | X | X | 1 | X | X | X | 1 |
| Freon, 22 (Chlorodifluoroethane) | 4 | 3 | 1 | 1 | 4 | 3 | 2 | 1 | 4 | 4 | 4 | X | 1 |
| Freon, 22 and ASTM Oil #2 (50/50 Mixture) | 4 | 4 | 2 | 4 | 4 | 4 | 2 | X | 2 | X | 2 | X | 1 |
| Freon, 23 (Fluoroform) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Freon, 31 | 4 | 1 | 1 | 2 | X | 1 | X | 2 | 4 | X | X | X | 2 |
| Freon, 32 | 1 | 1 | 1 | 1 | X | 1 | X | 1 | 4 | X | X | X | 2 |
| Freon, 502 | 2 | 1 | 1 | 1 | X | 1 | X | X | 2 | X | X | X | 2 |
| Freon, BF (R112) | 2 | 4 | 2 | 4 | 4 | 4 | X | 2 | 1 | X | X | X | 2 |
| Freon, C316 | 1 | 1 | X | X | X | X | X | X | 1 | X | X | X | 2 |
| Freon, C318 | 1 | 1 | 1 | 1 | X | 1 | X | 1 | 2 | X | X | X | 2 |
| Freon, K-142b | 1 | 1 | 1 | 1 | X | 1 | X | 1 | 4 | X | X | X | 4 |
| Freon, K-152a | 1 | 1 | 1 | 1 | X | 1 | X | 4 | 4 | X | X | X | 4 |
| Freon, MF (R11) | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 | 2 | 3 | X | X | 2 |
| Freon, PCA (R113) | 1 | 4 | 1 | 2 | 4 | 4 | X | 1 | 2 | 1 | X | X | 1 |
| Freon, TA | 1 | 2 | X | X | X | X | X | X | 3 | X | X | X | 2 |
| Freon, TC | 1 | 2 | X | X | X | X | X | X | 1 | X | X | X | 2 |
| Freon, TF (R113) | 1 | 4 | 1 | 2 | 4 | 4 | X | 1 | 2 | 1 | X | X | 2 |
| Freon, TMC | 2 | 3 | X | X | X | X | X | X | 1 | X | X | X | 2 |
| Freon, T-P35 | 1 | 1 | X | X | X | X | X | X | 1 | X | X | X | 2 |
| Freon, T-WD602 | 2 | 2 | X | X | X | X | X | X | 1 | X | X | X | 2 |
| Fuel Oil, #6 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Fuel Oil, 1, and 2 | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 3 | 1 | 2 | 1 | X | 1 |
| Fuel Oil, Acidic | 1 | 4 | 2 | 4 | 1 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Fumaric Acid | 1 | 2 | 2 | 2 | 2 | 4 | 4 | 2 | 1 | X | 1 | X | 1 |
| Fuming Sulphuric Acid (20/25% Oleum) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | X | X | 1 |
| Furaldehyde | 4 | 2 | 4 | X | X | X | X | X | 4 | X | X | 4 | 2 |
| Furan (Furfuran) | 4 | 3 | 4 | 4 | X | 4 | 4 | 4 | 1 | X | X | X | 1 |
| Furfural (Furfuraldehyde) | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 3 | 4 | 3 | X | X | 1 |
| Furfuraldehyde | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 3 | 4 | 3 | X | X | 1 |
| Furfuryl Alcohol | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 4 | X | 4 | 4 | X | 1 |
| Furoic Acid | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Furyl Carbinol | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 4 | X | 4 | 4 | X | X |
| Fyrquel 150 220 300 550 | 4 | 1 | 4 | 4 | 1 | 1 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Fyrquel 90, 100, 500 | 4 | 1 | X | X | X | X | X | X | 1 | X | X | 1 | 1 |
| Fyrquel A60 | 4 | 2 | 4 | X | X | X | X | X | 4 | X | X | 2 | 1 |
| Gallic Acid | 2 | 2 | 2 | 2 | X | 2 | 4 | 2 | 1 | 4 | 1 | X | 1 |
| Gasoline | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 2 | 1 | X | 1 |
| Gelatin | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 4 | 1 | X | 1 |
| Germane (Germanium Tetrahydride) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Girling Brake Fluid | 3 | 1 | 2 | 1 | X | 2 | X | 2 | 4 | X | 4 | X | 1 |
| Glauber’s Salt | 4 | 2 | 2 | 4 | X | 2 | 4 | 2 | 1 | X | 1 | X | 1 |
| Gluconic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glucose | 1 | 1 | 1 | 1 | 1 | 1 | X | 1 | 1 | 4 | 1 | X | 1 |
| Glue | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Glutamic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glycerine (Glycerol) | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 4 | 1 | X | 1 |
| Glycerol Dichlorohydrin | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glycerol Monochlorohydrin | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glycerol Triacetate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glycerophosphoric Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glyceryl Phosphate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glycidol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glycol Monoether | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Glycolic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Glycols | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 4 | 1 | X | 1 |
| Glycoxylic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Grease Petroleum Base | 1 | 4 | 3 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Green Sulfate Liquor | 2 | 1 | 2 | 2 | X | 1 | 4 | 2 | 1 | 4 | 2 | X | 1 |
| Gulf Endurance Oils | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Gulf FR Fluids (Emulsion) | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Gulf FR G-Fluids | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 2 | 1 | X | 1 |
| Gulf FR P-Fluids | 4 | 2 | 4 | 4 | 1 | 2 | 4 | 4 | 2 | 4 | 2 | X | 1 |
| Gulf Harmony Oils | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Gulf High Temperature Grease | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Gulf Legion Oils | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Gulf Paramount Oils | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Gulf Security Oils | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Gulfcrown Grease | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Halothane | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Halowax Oil | 4 | 4 | 4 | 4 | 4 | 4 | X | 4 | 1 | X | 1 | X | 1 |
| Hannifin Lube A | 1 | 4 | 1 | 2 | 2 | 4 | 1 | 1 | 1 | 1 | 1 | X | 1 |
| Heavy Water | 1 | 1 | 2 | 1 | 1 | 1 | 4 | 1 | X | 4 | 1 | X | 1 |
| HEF-2 (High Energy Fuel) | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Helium | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | X | 1 |
| Heptachlor | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Heptachlorobutene | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Heptaldehyde (Heptanal) | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Heptane or n-Heptane | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 2 | 3 | X | 1 |
| Heptanoic Acid | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Hexachloroacetone | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Hexachlorobutadiene | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Hexachlorobutene | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Hexachloroethane | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Hexaethyl Tetraphosphate | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hexafluoroethane (F-116) | X | X | X | X | X | X | X | X | X | X | X | X | 2 |
| Hexafluoroxylene | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hexafluoroxylene | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hexaldehyde or n-Hexaldehyde | 4 | 1 | 1 | 4 | 2 | 2 | X | 3 | 4 | 2 | 4 | X | 1 |
| Hexamethyldisilizane | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hexamethylene (Cyclohexane) | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Hexamethylene Diammonium Adipate | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Hexamethylenediamine | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 2 |
| Hexamethylenetetramine | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 2 |
| Hexane or n-Hexane | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 2 | 3 | X | 1 |
| Hexene-1 or n-Hexene-1 | 2 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 2 | 4 | X | 1 |
| Hexone (Methyl Isobutyl Ketone) | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Hexyl Acetate | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Hexyl Alcohol | 1 | 3 | 2 | 1 | 2 | 3 | 4 | 2 | 1 | 4 | 2 | X | 1 |
| Hexylene Glycol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Hexylresorcinol | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| High Viscosity Lubricant, H2 | 1 | 1 | 2 | 1 | 1 | 1 | 4 | X | 1 | 4 | 2 | X | 1 |
| High Viscosity Lubricant, U4 | 1 | 1 | 2 | 1 | 1 | 1 | 4 | X | 1 | 4 | 2 | X | 1 |
| HiLo MS #1 | 4 | 1 | 4 | 4 | 3 | 2 | 4 | 4 | 4 | 4 | 3 | X | 1 |
| Houghto-Safe 1010 phosphate ester | 4 | 1 | 4 | 4 | 3 | 1 | 4 | 4 | 1 | X | 2 | X | 1 |
| Houghto-Safe 1055 phosphate ester | 4 | 1 | 4 | 4 | 3 | 1 | 4 | 4 | 1 | X | 2 | X | 1 |
| Houghto-Safe 1120 phosphate ester | 4 | 2 | 4 | 4 | 3 | 1 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Houghto-Safe 271 (Water & Glycol Base) | 1 | 1 | 2 | 1 | 2 | 2 | 4 | X | 2 | 4 | 2 | X | 1 |
| Houghto-Safe 416 & 500 Series | 1 | 1 | X | X | X | X | X | X | X | X | X | X | X |
| Houghto-Safe 5040 (Water/Oil emulsion) | 1 | 4 | 2 | 4 | 3 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Houghto-Safe 620 Water/Glycol | 1 | 1 | 2 | 1 | 2 | 2 | 4 | X | 2 | 4 | 2 | X | 1 |
| Hydraulic Oil (Petroleum Base, Industrial) | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Hydraulic Oils (Synthetic Base) | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Hydrazine | 2 | 1 | 2 | 2 | 2 | 1 | X | 2 | 4 | 4 | 4 | X | 1 |
| Hydrazine (Anhydrous) | 4 | 2 | 2 | 1 | X | 2 | 4 | 2 | 4 | 4 | 4 | 2 | 1 |
| Hydrazine Dihydrochloride | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Hydrazine Hydrate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Hydriodic Acid | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Hydroabietyl Alcohol | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrobromic Acid | 4 | 1 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 4 | 3 | X | 1 |
| Hydrobromic Acid 40% | 4 | 1 | 2 | 4 | 4 | 1 | 4 | 1 | 1 | 4 | 3 | X | 1 |
| Hydrocarbons, Saturated | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 3 | 1 | 2 | 1 | X | 1 |
| Hydrochloric Acid (cold) 37% | 4 | 3 | 4 | X | X | X | X | X | 1 | X | X | 1 | 1 |
| Hydrochloric Acid (hot) 37% | 4 | 3 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Hydrochloric Acid, 3 Molar to 158°F | 2 | 1 | 2 | 3 | 4 | 1 | 3 | 1 | 1 | 4 | 3 | X | 1 |
| Hydrochloric Acid, Concentrated Room Temp. | 2 | 2 | X | X | X | X | X | X | 1 | X | X | X | 1 |
| Hydrochloric Acid, Concentrated to 158°F | 4 | 4 | 4 | 4 | 4 | 4 | 4 | X | 1 | 4 | 4 | X | 1 |
| Hydrocyanic Acid | 2 | 1 | 2 | 2 | 3 | 1 | 4 | 1 | 1 | X | 2 | X | 1 |
| Hydro-Drive MIH-10 (Petroleum Base) | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Hydro-Drive MIH-50 (Petroleum Base) | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Hydrofluoric Acid (Anhydrous) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrofluoric Acid (conc.) Cold | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrofluoric Acid (conc.) Hot | 4 | 4 | X | X | X | X | X | X | 3 | X | X | X | 1 |
| Hydrofluorosilicic Acid | 2 | 1 | 2 | 2 | 4 | 1 | X | 1 | 1 | X | 4 | X | 1 |
| Hydrogen Bromide (Anhydrous) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrogen Chloride (Anhydrous) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrogen Chloride gas | 4 | 1 | 2 | X | X | X | X | X | 1 | X | X | 1 | 1 |
| Hydrogen Cyanide | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrogen Fluoride | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrogen Fluoride (Anhydrous) | 4 | 1 | X | 4 | X | 1 | 4 | X | 4 | X | 4 | 2 | 1 |
| Hydrogen Gas, Cold | 1 | 1 | 1 | 2 | 3 | 1 | 2 | 1 | 1 | 1 | 3 | X | 1 |
| Hydrogen Gas, Hot | 1 | 1 | 1 | 2 | 3 | 1 | 2 | 1 | 1 | 1 | 3 | X | 1 |
| Hydrogen Iodide (Anhydrous) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrogen Peroxide | 2 | 1 | 1 | 2 | 1 | 1 | 4 | 2 | 1 | X | 1 | X | 1 |
| Hydrogen Peroxide 90% | 4 | 3 | 4 | 4 | 2 | 3 | 4 | 3 | 1 | X | 2 | X | 1 |
| Hydrogen Selenide | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Hydrogen Sulfide, Dry, Cold | 1 | 1 | 1 | 1 | 3 | 1 | 4 | 1 | 4 | X | 3 | X | 1 |
| Hydrogen Sulfide, Dry, Hot | 4 | 1 | 2 | 4 | 3 | 1 | 4 | 3 | 4 | X | 3 | X | 1 |
| Hydrogen Sulfide, Wet, Cold | 4 | 1 | 1 | 4 | 3 | 1 | 4 | 2 | 4 | X | 3 | X | 1 |
| Hydrogen Sulfide, Wet, Hot | 4 | 1 | 2 | 4 | 3 | 1 | 4 | 3 | 4 | X | 3 | X | 1 |
| Hydrolube-Water/Ethylene Glycol | 1 | 1 | 2 | 1 | 2 | 2 | 4 | X | 1 | 4 | 2 | X | 1 |
| Hydrooxycitronellal | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Hydroquinol | 4 | 4 | 4 | X | X | X | X | X | 1 | X | X | X | 2 |
| Hydroquinone | 3 | 2 | 4 | 4 | X | 4 | 4 | 4 | 2 | X | 2 | X | 1 |
| Hydroxyacetic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Hydyne | 2 | 1 | 2 | 2 | 4 | 2 | 4 | X | 4 | X | 4 | X | 1 |
| Hyjet | 4 | 1 | 4 | X | X | X | X | X | 4 | X | X | 2 | 1 |
| Hyjet IV and IVA | 4 | 1 | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Hyjet S4 | 4 | 1 | 4 | X | X | X | X | X | 4 | X | X | 2 | 1 |
| Hyjet W | 4 | 1 | 4 | X | X | X | X | X | 4 | X | X | 2 | 1 |
| Hypochlorous Acid | 4 | 2 | 4 | 4 | X | 2 | 4 | 1 | 1 | X | X | X | 1 |
| Indole | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Industron FF44 | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Industron FF48 | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Industron FF53 | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Industron FF80 | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 2 | 1 | X | 1 |
| Insulin | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Iodic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Iodine | 2 | 2 | 4 | 2 | X | 2 | X | 2 | 1 | X | 1 | X | 1 |
| Iodine Pentafluoride | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | X | 2 |
| Iodoform | X | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Isoamyl Acetate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Isoamyl Butyrate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Isoamyl Valerate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Isoboreol | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Isobutane | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Isobutyl Acetate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Isobutyl Alcohol | 2 | 1 | 1 | 2 | 1 | 1 | 4 | 1 | 1 | 4 | 2 | X | 1 |
| Isobutyl Chloride | 4 | 4 | 4 | X | X | X | X | X | 1 | X | X | 4 | 1 |
| Isobutyl Ether | 2 | 4 | 3 | X | X | X | X | X | 4 | X | X | 4 | 1 |
| Isobutyl Methyl Ketone | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Isobutyl n-Butyrate | 4 | 1 | 4 | 4 | X | 1 | 4 | 4 | 1 | X | 1 | X | 1 |
| Isobutyl Phosphate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Isobutylene | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Isobutyraldehyde | 3 | 2 | 3 | X | X | X | X | X | 4 | X | X | 4 | 2 |
| Isobutyric Acid | 1 | 2 | 4 | X | 2 | X | X | X | 4 | X | X | 3 | 1 |
| Isocrotyl Chloride | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| Isodecanol | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Isododecane | 1 | 4 | 2 | 4 | 4 | 4 | 4 | 2 | 1 | X | 1 | X | 1 |
| Isoeugenol | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Isooctane | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 1 | 1 | 2 | 1 | X | 1 |
| Isopentane | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Isophorone (Ketone) | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Isopropanol | 2 | 1 | 2 | 2 | 1 | 1 | 4 | 1 | 1 | 4 | 2 | X | 1 |
| Isopropyl Acetate | 4 | 2 | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | 2 | X | 1 |
| Isopropyl Alcohol | 2 | 1 | 2 | 2 | 1 | 1 | 4 | 1 | 1 | 4 | 2 | X | 1 |
| Isopropyl Chloride | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |
| Isopropyl Ether | 2 | 4 | 3 | 4 | 4 | 4 | 3 | 3 | 4 | 2 | 3 | X | 1 |
| Isopropylacetone | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Isopropylamine | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Jet Fuel A | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |
| JP-10 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | X | 1 | 3 | 1 | X | 1 |
| JP-3 (MIL-J-5624) | 1 | 4 | 4 | X | X | X | X | X | 1 | X | X | 2 | 1 |
| JP-4 (MIL-T-5624) | 1 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 1 | 2 | 2 | X | 1 |
| JP-5 (MIL-T-5624) | 1 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 1 | 2 | 2 | X | 1 |
| JP-6 (MIL-J-25656) | 1 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 1 | 2 | 2 | X | 1 |
| JP-8 (MIL-T-83133) | 1 | 4 | 3 | 4 | 4 | 4 | 1 | X | 1 | 1 | 2 | X | 1 |
| JP-9 (MIL-F-81912) | 3 | 4 | 4 | 4 | 4 | 4 | 4 | X | 1 | 3 | 2 | X | 1 |
| JP-9 -11 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | X | 1 | 4 | 2 | X | 1 |
| JPX (MIL-F-25604) | 1 | 4 | 2 | X | X | X | X | X | 4 | X | X | 2 | 1 |
| Kel F Liquids | 1 | 1 | X | 1 | 1 | 1 | X | 1 | 2 | X | 2 | X | 1 |
| Kerosene (Similar to RP-1 and JP-1) | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Keystone #87HX-Grease | 1 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Lacquer Solvents | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Lacquers | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Lactams-Amino Acids | 4 | 2 | 2 | 4 | X | 2 | X | 2 | 4 | X | 4 | X | 1 |
| Lactic Acid, Cold | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | X | 1 | X | 1 |
| Lactic Acid, Hot | 4 | 4 | 4 | 4 | 2 | 4 | 4 | 3 | 1 | X | 2 | X | 1 |
| Lactones (Cyclic Esters) | 4 | 2 | 4 | 4 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Lard Animal Fat | 1 | 2 | 2 | 4 | 2 | 2 | 1 | 4 | 1 | 1 | 1 | X | 1 |
| Lauric Acid | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |
| Lavender Oil | 2 | 4 | 4 | X | X | X | X | X | 1 | X | X | 1 | 1 |
| LB 135 | 1 | 1 | 1 | X | X | X | X | X | 1 | X | X | 1 | 1 |
| Lead (Molten) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Lead Acetate | 2 | 1 | 2 | 4 | 4 | 1 | 4 | 4 | 4 | 4 | 4 | X | 1 |
| Lead Arsenate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Lead Azide | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Lead Bromide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Lead Carbonate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Lead Chloride | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Lead Chromate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Lead Dioxide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Lead Linoleate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Lead Naphthenate | X | X | X | X | X | X | X | X | X | X | X | X | 1 |
| Lead Nitrate | 1 | 1 | 1 | 1 | 2 | 1 | X | 1 | X | X | 1 | X | 1 |
| Lead Oxide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |
| Lead Sulfamate | 2 | 1 | 1 | 2 | 2 | 1 | 4 | 1 | 1 | X | 1 | X | 1 |