| F60 Fluid (Dow Corning) | 1 | 1 | 1 | 1 | 1 | 1 |
| F61 Fluid (Dow Corning) | 1 | 1 | 1 | 1 | 1 | 1 |
| Fatty Acids | 1 | 1 | 3 | 2 | 2 | 2 |
| FC-43 Heptacosofluorotributylamine | 3 | 1 | 1 | 1 | 1 | 1 |
| FC-75 | 3 | 2 | 1 | 1 | 1 | 1 |
| Ferric Chloride | 1 | 1 | 1 | 1 | 1 | 2 |
| Ferric Nitrate | 1 | 1 | 1 | 1 | 1 | 1 |
| Ferric Persulfate | 1 | 1 | 1 | 1 | 1 | 1 |
| Ferric Sulfate | 1 | 1 | 1 | 1 | 1 | 1 |
| Fluorolube | 2 | 2 | 1 | 1 | 1 | 1 |
| Fluorosilicic Acid (Fluosilicic Acid) | 1 | 2 | 2 | 1 | 1 | 1 |
| Formaldehyde | 1 | 4 | 2 | 2 | 2 | 1 |
| Formamide | 2 | 3 | 1 | 3 | 3 | 4 |
| Formic Acid | 3 | 4 | 1 | 2 | 2 | 1 |
| Freon 11 (Trichlorofluoromethane, Freon MF) | 4 | 2 | 4 | 2 | 2 | 4 |
| Freon 12 (50%) + ASTM-Oil No. 2 (50%) | 4 | 1 | 4 | 1 | 1 | 2 |
| Freon 12 (Dichlorodifluoromethane) | 4 | 1 | 2 | 1 | 1 | 1 |
| Freon 32 | 4 | 4 | 1 | 1 | 1 | 1 |
| Freon 112 with or without oil | 4 | 1 | 4 | 2 | 2 | 2 |
| Freon 113 (Trichlorotrifluoroethane) | 4 | 2 | 4 | 1 | 1 | 1 |
| Freon 113 +High & Low Aniline Oil | 4 | 2 | 4 | 1 | 1 | 2 |
| Freon 114 (Dichlorotetrafluoroethane) | 4 | 1 | 1 | 1 | 1 | 1 |
| Freon 114b2 | 4 | 2 | 4 | 2 | 2 | 1 |
| Freon 115 (Chloropentafluoroethane) | 4 | 1 | 1 | 1 | 1 | 1 |
| Freon 142b (Difluorochloroethane) | 4 | 2 | 4 | 2 | 2 | 1 |
| Freon C318 | 4 | 2 | 1 | 1 | 1 | 1 |
| Freon MF (Trichlorofluoromethane, Freon 11) | 4 | 2 | 4 | 2 | 2 | 4 |
| Freon PCA | 4 | 2 | 4 | 1 | 1 | 1 |
| Freon TF | 4 | 2 | 4 | 1 | 1 | 1 |
| Fuel Oil No. 6 | 1 | 1 | 4 | 2 | 2 | 4 |
| Fuel Oil | 1 | 1 | 4 | 1 | 1 | 2 |
| Fuel Oil, Acidic | 1 | 1 | 4 | 1 | 1 | 2 |
| Fumaric Acid | 1 | 1 | 2 | 1 | 1 | 2 |
| Furan (Furfuran) | 4 | 4 | 4 | 4 | 4 | 4 |
| Furfuraldehyde (Furaldehyde, Furfural) | 4 | 4 | 2 | 4 | 4 | 4 |
| Furfuryl Alcohol | 2 | 4 | 2 | 4 | 4 | 4 |
| Furyl Carbinol | 2 | 4 | 2 | 4 | 4 | 4 |
| Fyrquel 90 | 1 | 1 | 1 | 4 | 4 | 4 |
| Fyrquel 100 | 1 | 1 | 1 | 4 | 4 | 4 |
| Fyrquel 150 | 1 | 1 | 1 | 4 | 4 | 4 |
| Fyrquel 220 | 1 | 1 | 1 | 4 | 4 | 4 |
| Fyrquel 300 | 1 | 1 | 1 | 4 | 4 | 4 |
| Fyrquel 500 | 1 | 1 | 1 | 4 | 4 | 4 |
| Fyrquel 550 | 1 | 1 | 1 | 4 | 4 | 4 |
| Fyrquel A60 | 2 | 4 | 2 | 4 | 4 | 4 |
| Gallic Acid | 1 | 1 | 2 | 2 | 2 | 2 |
| Gasoline | 2 | 1 | 4 | 1 | 1 | 2 |
| Glaubers Salt (Sodium Sulfate) | 1 | 1 | 2 | 4 | 4 | 2 |
| Glucose | 1 | 1 | 1 | 1 | 1 | 1 |
| Green Sulfate Liquor | 1 | 1 | 1 | 2 | 2 | 2 |