NFPA Chemical Labeling System
| Material/Compound | Health | Fire |
Reactivity | S/N |
| 1,1,1-Trichloroethane | 2 | 1 | 1 | |
| 1,1-Dichloroethene | 2 | 4 | 2 | |
| 1,2-Dichlorobutane | 2 | 2 | 0 | |
| 1,2-Dichloroethylene | 2 | 3 | 2 | |
| 1-Butane | 1 | 4 | 0 | |
| 1-Decene | 0 | 2 | 0 | |
| 1-Dodecanethiol | 2 | 1 | 0 | |
| 1-Dodecanol | 0 | 1 | 0 | |
| 1-Hexene | 1 | 3 | 0 | |
| 1-Methyl Piperazine | 2 | 2 | 0 | |
| 1-Nitropropane | 1 | 3 | 1 | |
| 1-Octene | 1 | 3 | 0 | |
| 1-Pentene | 1 | 4 | 0 | |
| 2,2-Dimethylbutane | 1 | 3 | 0 | |
| 2,3-Dimethyloctane | 0 | 2 | 0 | |
| 2,3-Dimethylpentane | 0 | 3 | 0 | |
| 2,4-Dinitrotoluene | 3 | 1 | 3 | |
| 2-Heptanol | 0 | 2 | 0 | |
| 2-Methyl-1-Pentene | 1 | 3 | 0 | |
| 2-Methylpyrazine | 2 | 2 | 0 | |
| 2-Octanol | 1 | 2 | 0 | |
| 2-Undecanol | 1 | 1 | 0 | |
| 3-Aminopropanol | 3 | 2 | 0 | |
| 3-Ethoxypropanol | 2 | 2 | 0 | |
| 3-Hexanone | 1 | 3 | 0 | |
| 4-Ethylmorpholine | 2 | 3 | 0 | |
| Acetal | 2 | 3 | 0 | |
| Acetaldehyde | 2 | 4 | 2 | |
| Acetic Acid (glacial) | 2 | 2 | 2 | |
| Acetic Anhydride | 3 | 2 | 2 | W |
| Acetone | 1 | 3 | 0 | |
| Acetonitrile | 2 | 3 | 0 | |
| Acetophenone | 1 | 2 | 0 | |
| Acetyl Chloride | 3 | 3 | 2 | W |
| Acetyl Peroxide | 1 | 2 | 4 | |
| Acetylene | 1 | 4 | 3 | |
| Acrolein | 3 | 3 | 2 | |
| Acrolein Dimer | 1 | 2 | 1 | |
| Acrylic Acid (glacial) | 3 | 2 | 2 | |
| Acrylonitrile | 4 | 3 | 2 | |
| Adipic Acid | 1 | 0 | ||
| Adiponitrile | 4 | 2 | 0 | |
| Aldol | 3 | 2 | 1 | |
| Allyl Acetate | 1 | 3 | 0 | |
| Allyl Alcohol | 3 | 3 | 0 | |
| Allyl Bromide | 3 | 3 | 1 | |
| Allyl Chloride | 3 | 3 | 1 | |
| Aluminum (dust or powder) | 0 | 1 | 1 | |
| Ammonia, Anhydrous | 3 | 1 | 0 | |
| Ammonium Bromide | 2 | 0 | 0 | |
| Ammonium Chloride | 2 | 0 | 0 | |
| Ammonium Fluoride | 3 | 0 | 0 | |
| Ammonium Nitrate | 2 | 0 | 3 | OX |
| Ammonium Perchlorate | 2 | 0 | 4 | OX |
| Ammonium Permanganate | 2 | 0 | 3 | OX |
| Ammonium Sulfate | 3 | 0 | 0 | |
| Amyl Acetate | 1 | 3 | 0 | |
| Amyl Alcohol | 1 | 3 | 0 | |
| Amyl Chloride | 1 | 3 | 0 | |
| Amyl Ether | 1 | 2 | 0 | |
| Amyl Maleate | 0 | 1 | 0 | |
| Amyl Nitrate | 2 | 2 | 0 | OX |
| Amyl Propionate | 0 | 2 | 0 | |
| Amyl Stearate | 0 | 1 | 0 | |
| Amyl Toluene | 2 | 2 | 0 | |
| Amylamine | 3 | 3 | 0 | |
| Amylbenzene | 1 | 2 | 0 | |
| Aniline | 3 | 2 | 0 | |
| Anisole | 1 | 2 | 0 | |
| Antimony Pentafluoride | 3 | 0 | 1 | |
| Antimony Pentasulfide | 3 | 1 | 1 | |
| Arsenic Chloride | 3 | 0 | 0 | |
| Arsenic Trisulfide | 3 | 1 | 0 | |
| Barium Chlorate | 1 | 0 | 2 | OX |
| Barium Nitrate | 1 | 0 | 0 | OX |
| Barium Peroxide | 1 | 0 | 0 | OX |
| Benzaldehyde | 2 | 2 | 0 | |
| Benzoic Acid | 2 | 1 | ||
| Benzol (benzene) | 2 | 3 | 0 | |
| Benzotrifluoride | 4 | 3 | 0 | |
| Benzoyl Chloride | 3 | 2 | 1 | W |
| Benzyl Acetate | 1 | 1 | 0 | |
| Benzyl Alcohol | 2 | 1 | 0 | |
| Benzyl Cyanide | 2 | 1 | 0 | |
| Benzyl Salicilate | 1 | 1 | 0 | |
| Beryllium (dust or powder) | 4 | 1 | 0 | |
| Biphenyl | 2 | 1 | 0 | |
| Boron Trifluoride | 3 | 0 | 1 | |
| Bromine | 4 | 0 | 0 | OX |
| Bromine Trifluoride | 4 | 0 | 3 | OX,W |
| Bromobenzene | 2 | 2 | 0 | |
| Butadiene Monoxide | 2 | 3 | 2 | |
| Butane | 1 | 4 | 0 | |
| Butenediol | 1 | 1 | 0 | |
| Butyl Acetate | 1 | 3 | 0 | |
| Butyl Acetoacetate | 1 | 2 | 0 | |
| Butyl Acrylate | 2 | 2 | 2 | |
| Butyl Alcohol | 1 | 3 | 0 | |
| Butyl Benzoate | 1 | 1 | 0 | |
| Butyl Bromide | 2 | 3 | 0 | |
| Butyl Chloride | 2 | 3 | 0 | |
| Butyl Formate | 2 | 3 | 0 | |
| Butyl Isovalerate | 0 | |||
| Butyl Lactate | 1 | 2 | 0 | |
| Butyl Methacrylate | 2 | 2 | 0 | |
| Butyl Naphthalene | 1 | 1 | 0 | |
| Butyl Nitrate | 1 | 3 | 3 | |
| Butyl Oxalate | 0 | 1 | 0 | |
| Butyl Porpionate | 2 | 3 | 0 | |
| Butyl Stearate | 1 | 1 | 0 | |
| Butyl Trichlorosilane | 2 | 2 | 0 | |
| Butylamine | 2 | 3 | 0 | |
| Butylamine Oleate | 3 | 2 | 0 | |
| Butylbenzene | 2 | 2 | 0 | |
| Butylcyclohexane | 0 | 0 | ||
| Butyldecalin | 1 | 1 | 0 | |
| Butyraldehyde | 2 | 3 | 0 | |
| Butyraldol | 2 | 2 | 0 | |
| Butyraldoxime | 2 | 2 | 0 | |
| Butyric Acid | 2 | 2 | 0 | |
| Calcium Carbide | 1 | 4 | 2 | W |
| Calcium Chlorate | 2 | 0 | 2 | OX |
| Calcium Cyanide | 3 | 0 | 0 | |
| Calcium Hypochlorite | 2 | 0 | 2 | OX |
| Calcium Oxide | 1 | 0 | 1 | |
| Camphor | 0 | 2 | 0 | |
| Caproic Acid | 2 | 1 | 0 | |
| Capryladehyde | 2 | 2 | 0 | |
| Caprylyl Chloride | 3 | 2 | 1 | |
| Carbon Disulfide | 2 | 3 | 0 | |
| Carbon Monoxide | 2 | 4 | 0 | |
| Carbon Tetrachloride | 3 | 0 | 0 | |
| Castor Oil | 0 | 1 | 0 | |
| Chlorine | 3 | 0 | 0 | OX |
| Chlorine Monoxide | 3 | 4 | 3 | |
| Chloroacetic Acid | 3 | 1 | 0 | |
| Chloroaceto Phenone | 2 | 1 | 0 | |
| Chlorobenzene | 2 | 3 | 0 | |
| Chloroform | 2 | 0 | 0 | |
| Chloropicrin | 4 | 0 | 3 | |
| Chlorotoluene | 2 | 2 | 0 | |
| Chromic Acid | 3 | 0 | 1 | OX |
| Citral | 0 | 2 | 0 | |
| Cobalt Naphtha | 1 | 2 | 0 | |
| Coconut Oil | 0 | 1 | 0 | |
| Cod Liver Oil | 0 | 1 | 0 | |
| Corn Oil | 0 | 1 | 0 | |
| Creosote Oil | 2 | 2 | 0 | |
| Crotonaldehyde | 3 | 3 | 1 | |
| Crotonic Acid | 3 | 2 | 0 | |
| Crotononitrile | 1 | 0 | ||
| Cumene | 2 | 3 | 0 | |
| Cupric Nitrate | 1 | 0 | 0 | OX |
| Cyanogen | 4 | 4 | 2 | |
| Cyanogen Bromide | 3 | 0 | 2 | |
| Cyclobutane | 1 | 4 | 0 | |
| Cyclohexane | 1 | 3 | 0 | |
| Cyclohexanol | 1 | 2 | 0 | |
| Cyclohexanone | 1 | 2 | 0 | |
| Cyclohexene | 1 | 3 | 0 | |
| Cyclohexenone | 1 | 3 | 0 | |
| Cyclohexyl Chloride | 2 | 3 | 0 | |
| Cyclopentane | 1 | 3 | 0 | |
| Cyclopentanone | 2 | 3 | 0 | |
| Cyclopentene | 1 | 3 | 1 | |
| Cyclopropane | 1 | 4 | 0 | |
| Decaborane | 3 | 2 | 1 | |
| Decane | 0 | 2 | 0 | |
| Decanol | 0 | 2 | 0 | |
| Decylamine | 2 | 1 | 0 | |
| Dehydroacetic Acid | 1 | 1 | 0 | |
| Denatured Alcohol | 0 | 3 | 0 | |
| Deuterium | 0 | 4 | 0 | |
| Diacetone Alcohol | 0 | 3 | 0 | |
| Diamyl Sulfide | 2 | 2 | 0 | |
| Dibenzoyl Peroxide | 1 | 4 | 4 | OX |
| Diborane | 3 | 4 | 3 | W |
| Dibutyl Ether | 2 | 3 | 0 | |
| Dibutyl Oxalate | 0 | 1 | 0 | |
| Dibutyl Phosphite | 3 | 2 | 0 | |
| Dibutyl Phthalate | 0 | 1 | 0 | |
| Dibutylamine | 3 | 2 | 0 | |
| Dichlorosilane | 3 | 4 | 2 | |
| Didecyl Ether | 0 | 1 | 0 | |
| Diesel Fuel Oil No. 1 | 0 | 2 | 0 | |
| Diethyl Fumarate | 1 | 1 | 0 | |
| Diethyl Ketone | 1 | 3 | 0 | |
| Diethyl Succiante | 1 | 1 | 0 | |
| Diethyl Sulfate | 3 | 1 | 1 | |
| Diethylamine | 2 | 3 | 0 | |
| Diethylene Glycol Dimethyl Ether | 1 | 2 | 1 | |
| Diethylene Triamine | 3 | 1 | 0 | |
| Diethylzinc | 0 | 3 | 3 | W |
| Dihexylamine | 2 | 1 | 0 | |
| Diisobutyl Carbinol | 1 | 2 | 0 | |
| Diisobutyl Ketone | 1 | 2 | 0 | |
| Diisobutylamine | 3 | 3 | 0 | |
| Diisooctyl Phthalate | 0 | 1 | 0 | |
| Diisopropyl Benzene | 0 | 2 | 0 | |
| Diisopropylamine | 3 | 3 | 0 | |
| Diketene | 2 | 2 | 2 | |
| Dimethyl Maleate | 1 | 1 | 0 | |
| Dimethyl Phthalate | 0 | 1 | 0 | |
| Dimethyl Sulfate | 4 | 2 | 0 | |
| Dimethyl Sulfide | 2 | 4 | 0 | |
| Dimethyl Sulfoxide | 1 | 1 | 0 | |
| Dimethylamine | 3 | 4 | 0 | |
| Dimethyldioxane | 2 | 3 | 0 | |
| Dinitrobenzene (ortho) | 3 | 1 | 4 | |
| Dioctyl Ether | 0 | 1 | 0 | |
| Dioxolane | 2 | 3 | 2 | |
| Dipentene | 0 | 2 | 0 | |
| Diphenyl Phthalate | 0 | 1 | 0 | |
| Diphenylamine | 3 | 1 | 0 | |
| Dipropylamine | 3 | 3 | 0 | |
| Divinyl Ether | 2 | 3 | 2 | |
| Divinylbenzene | 2 | 2 | 2 | |
| Dodecane | 0 | 2 | 0 | |
| Ehanolamine | 2 | 2 | 0 | |
| Endrin (dry) | 2 | 0 | 0 | |
| Epichlorohydrin | 3 | 2 | 1 | |
| Ethane | 1 | 4 | 0 | |
| Ethoxybenzene | 0 | 2 | 0 | |
| Ethyl Acetate | 1 | 3 | 0 | |
| Ethyl Acrylate | 2 | 3 | 2 | |
| Ethyl Alcohol | 0 | 3 | 0 | |
| Ethyl Benzoate | 1 | 1 | 0 | |
| Ethyl Borate | 2 | 3 | 0 | |
| Ethyl Bromide | 2 | 1 | 0 | |
| Ethyl Butyl Carbonate | 2 | 2 | 1 | |
| Ethyl Butyl Ketone | 1 | 2 | 0 | |
| Ethyl Butyrate | 0 | 3 | 0 | |
| Ethyl Caprylate | 2 | 2 | 0 | |
| Ethyl Chloride | 2 | 4 | 0 | |
| Ethyl Crotonate | 2 | 3 | 0 | |
| Ethyl Ether | 2 | 4 | 1 | |
| Ethyl Formate | 2 | 3 | 0 | |
| Ethyl Isobutyrate | 0 | 3 | 0 | |
| Ethyl Mercaptan | 2 | 4 | 0 | |
| Ethyl Nitrate | 2 | 3 | 4 | |
| Ethyl Oxalate | 0 | 2 | 0 | |
| Ethyl Propionate | 3 | 0 | ||
| Ethyl Silicate | 2 | 2 | 0 | |
| Ethylamine | 3 | 4 | 0 | |
| Ethylbenzene | 2 | 3 | 0 | |
| Ethylbutylamine | 3 | 3 | 0 | |
| Ethylcyclohexane | 1 | 3 | 0 | |
| Ethylene | 1 | 4 | 2 | |
| Ethylene Dichloride | 2 | 3 | 0 | |
| Ethylene Glycol | 1 | 1 | 0 | |
| Ethylene Glycol Dibutyl Ether | 1 | 2 | 0 | |
| Ethylene Glycol Ethylbu tyl Ether | 1 | 2 | 0 | |
| Ethylene Glycol Monobutyl Ether Acetate | 1 | 2 | 0 | |
| Ethylene Oxide | 2 | 4 | 3 | |
| Ethylenediamine | 3 | 2 | 0 | |
| Fluorine | 4 | 0 | 3 | W,OX |
| Formaldehyde (water solution) | 2 | 2 | 0 | |
| Formamide | 2 | 1 | ||
| Formic Acid | 3 | 2 | 0 | |
| Furan | 1 | 4 | 1 | |
| Furfuryl Alcohol | 1 | 2 | 1 | |
| Gas, Natural | 1 | 4 | 0 | |
| Gasoline 56-100 Octane | 1 | 3 | 0 | |
| Glycerine | 1 | 1 | 0 | |
| Glycidyl Acrylate | 0 | 2 | 0 | |
| Heptane | 1 | 3 | 0 | |
| Heptylene | 0 | 3 | 0 | |
| Hexadecane | 0 | 1 | 0 | |
| Hexanal | 2 | 3 | 1 | |
| Hexane | 1 | 3 | 0 | |
| Hexyl Alcohol | 1 | 2 | 0 | |
| Hexyl Methacrylate | 0 | 2 | 0 | |
| Hydrazine (Anhydrous) | 3 | 3 | 2 | |
| Hydrobromic Acid | 3 | 0 | 0 | |
| Hydrochloric Acid | 3 | 0 | 0 | |
| Hydrocyanic Acid, 96% | 4 | 4 | 2 | |
| Hydrofluoric Acid | 4 | 0 | 0 | |
| Hydrogen | 0 | 4 | 0 | |
| Hydrogen Peroxide (35-52%) | 2 | 0 | 1 | OX |
| Hydrogen Sulfide | 3 | 4 | 0 | |
| Hydroquinone | 2 | 1 | 0 | |
| Isoamyl Acetate | 1 | 3 | 0 | |
| Isoamyl Alcohol | 1 | 2 | 0 | |
| Isobutane | 1 | 4 | 0 | |
| Isobutyl Acetate | 1 | 3 | 0 | |
| Isobutyl Acrylate | 1 | 3 | 1 | |
| Isobutyl Alcohol | 1 | 3 | 0 | |
| Isobutyl Chloride | 2 | 3 | 0 | |
| Isobutyl Methyl Ketone | 2 | 3 | 0 | |
| Isobutylbenzene | 2 | 2 | 0 | |
| Isobutyraldehyde | 2 | 3 | 1 | |
| Isobutyric Acid | 1 | 2 | 0 | |
| Isobutyric Anhydride | 1 | 2 | 1 | W |
| Isodecaldehyde | 0 | 2 | 0 | |
| Isodecanoic Acid | 0 | 1 | 0 | |
| Isohexane | 1 | 3 | 0 | |
| Isooctane | 0 | 3 | 0 | |
| Isooctanoic Acid | 0 | 1 | 0 | |
| Isooctyl Acid | 0 | 2 | 0 | |
| Isopentane | 1 | 4 | 0 | |
| Isophorone | 2 | 2 | 0 | |
| Isoprene | 2 | 4 | 2 | |
| Isopropyl Acetate | 1 | 3 | 0 | |
| Isopropyl Alcohol | 1 | 3 | 0 | |
| Isopropyl Chloride | 2 | 4 | 0 | |
| Isopropyl Ether | 2 | 3 | 1 | |
| Jet Fuels (JP-4) | 1 | 3 | 0 | |
| Jet Fuels (JP-5) | 0 | 2 | 0 | |
| Lanolin | 0 | 1 | 0 | |
| Lead Arsenates | 2 | 0 | 0 | |
| Lead Nitrate | 1 | 0 | 0 | OX |
| Lead Thiocyanate | 1 | 1 | 1 | |
| Lithium | 1 | 1 | 2 | W |
| Lithium Hydride | 3 | 4 | 2 | W |
| Lubricating Oil, Mineral | 0 | 1 | 0 | |
| Magesium Nitrate | 1 | 0 | 0 | OX |
| Magesium Perchlorate | 1 | 0 | 0 | OX |
| Magnesium (inc.all alloys) | 0 | 1 | 2 | W |
| Maleic Anhydride | 3 | 1 | 1 | |
| Mercuric Cyanide | 3 | 0 | 0 | |
| Mesityl Oxide | 3 | 3 | 0 | |
| Methacrylic Acid | 3 | 2 | 2 | |
| Methane | 1 | 4 | 0 | |
| Methyl Acetate | 1 | 3 | 0 | |
| Methyl Acrylate | 2 | 3 | 2 | |
| Methyl Alcohol | 1 | 3 | 0 | |
| Methyl Amyl Ketone | 1 | 2 | 0 | |
| Methyl Benzoate | 0 | 2 | 0 | |
| Methyl Borate | 2 | 3 | 1 | |
| Methyl Bromide | 3 | 1 | 0 | |
| Methyl Butyl Ketone | 2 | 3 | 0 | |
| Methyl Carbonate | 2 | 3 | 1 | |
| Methyl Cellosolve (Acetate) | 0 | 2 | 0 | |
| Methyl Chloride | 2 | 4 | 0 | |
| Methyl Chloroacetate | 2 | 2 | 1 | |
| Methyl Ether | 2 | 4 | 1 | |
| Methyl Ethyl Ether | 2 | 4 | 1 | |
| Methyl Ethyl Ketone | 1 | 3 | 0 | |
| Methyl Formate | 2 | 4 | 0 | |
| Methyl Glycol Ace tate | 1 | 2 | 0 | |
| Methyl Hexyl Ketone | 0 | 2 | 0 | |
| Methyl Isoamyl Ketone | 1 | 2 | 0 | |
| Methyl Isobutyl Carbinol | 2 | 2 | 0 | |
| Methyl Isobutyl Ketone | 2 | 3 | 0 | |
| Methyl Isocyanate | 2 | 3 | 3 | W |
| Methyl Lactate | 1 | 2 | 0 | |
| Methyl Mercaptan | 2 | 4 | 0 | |
| Methyl Methacrylate | 2 | 3 | 2 | |
| Methyl Parathion (solid) | 4 | 1 | 2 | |
| Methyl Phenylacetate | 0 | 2 | 0 | |
| Methyl Propionate | 1 | 3 | 0 | |
| Methyl Propyl Ketone | 2 | 3 | 0 | |
| Methyl Salicylate | 1 | 1 | 0 | |
| Methyl Stearate | 0 | 1 | 0 | |
| Methyl Toluene Sulfonate | 2 | 1 | 0 | |
| Methyl Vinyl Ketone | 3 | 3 | 2 | |
| Methylal | 2 | 3 | 2 | |
| Methylamine | 3 | 4 | 0 | |
| Methylcyclohexane | 2 | 3 | 0 | |
| Methylcyclohexanone | 2 | 0 | ||
| Methylcyclopetane | 2 | 3 | 0 | |
| Methylene Chloride | 2 | 1 | 0 | |
| Methylene Diisocyanate | 1 | 2 | 1 | W |
| Methylhydrazine | 3 | 3 | 2 | |
| Methylpyrrole | 2 | 3 | 1 | |
| Methylpyrrolidine | 2 | 3 | 1 | |
| Mineral Oil | 0 | 1 | 0 | |
| Mineral Spirits | 0 | 2 | 0 | |
| Morpholine | 2 | 3 | 0 | |
| Mustard Oil | 3 | 2 | 0 | |
| N,N-Dimethylaniline | 3 | 2 | 0 | |
| N,N-Dimethylformamide | 1 | 2 | 0 | |
| Naptha | 1 | 3 | 0 | |
| Napthlene | 2 | 2 | 0 | |
| N-Butyl Isocyanate | 3 | 2 | 2 | |
| Nickel Carbonyl | 4 | 3 | 3 | |
| Nicotine | 4 | 1 | 0 | |
| Nitric Acid | 3 | 0 | 0 | OX |
| Nitrobenz ene | 3 | 2 | 0 | |
| Nitrobiphenyl | 2 | 1 | 0 | |
| Nitrochlorobenzene | 3 | 1 | 1 | |
| Nitroethane | 1 | 3 | 3 | |
| Nitrogen (liquified) | 3 | 0 | 0 | |
| Nitrogen Peroxide | 3 | 0 | 0 | OX |
| Nitrogen Trioxide | 3 | 0 | 0 | OX |
| Nitroglycerine | 2 | 2 | 4 | |
| Nitromethane | 1 | 3 | 3 | |
| Nonadecane | 0 | 1 | 0 | |
| Nonane | 0 | 3 | 0 | |
| Nonene | 0 | 3 | 0 | |
| Nonylbenzene | 0 | 1 | 0 | |
| n-Propyl Ether | 3 | 0 | ||
| o-Amyl Phenol | 2 | 1 | 0 | |
| o-Anisidine | 2 | 1 | 0 | |
| o-Bromotoluene | 2 | 2 | 0 | |
| o-Cresol | 3 | 2 | 0 | |
| Octadecane | 0 | 1 | 0 | |
| Octane | 0 | 3 | 0 | |
| o-Dichlorobenzene | 2 | 2 | 0 | |
| Oleic Acid | 0 | 1 | 0 | |
| Olive Oil | 0 | 1 | 0 | |
| o-Nitrotoluene | 2 | 1 | 4 | |
| o-Phenyleneiamine | 1 | 0 | ||
| o-Toluidine | 3 | 2 | 0 | |
| Oxalic Acid | 2 | 1 | 0 | < /tr> |
| Oxygen (liquid) | 3 | 0 | 0 | OX |
| o-Xylene | 2 | 3 | 0 | |
| o-Xylidine | 3 | 1 | 0 | |
| Paraffin Oil | 0 | 1 | 0 | |
| Paraformal dehyde | 2 | 1 | 0 | |
| Paraldehyde | 2 | 3 | 1 | |
| Parathion | 4 | 1 | 2 | |
| p-Dioxane | 2 | 3 | 1 | |
| Pentaborane | 3 | 3 | 2 | |
| Pentachlorophenol (dry) | 3 | 0 | 0 | |
| Pentane | 1 | 4 | 0 | |
| Pentanoic Acid | 2 | 1 | 0 | |
| Pentaphen | 2 | 1 | 0 | |
| Perchloric Acid | 3 | 0 | 3 | OX |
| Perchloroethylene | 2 | 0 | 0 | |
| Petroleum Ether | 1 | 4 | 0 | |
| Petroleum, Crude | 1 | 3 | 0 | |
| Phenol | 3 | 2 | 0 | |
| Phenyl Acetate | 1 | 2 | 0 | |
| Phenylacetaldehyde | 1 | 2 | 0 | |
| Phenylacetic Acid | 1 | 1 | 0 | |
| Phenylhydrazine | 3 | 2 | 0 | |
| Phenylpropyl Alcohol | 0 | 1 | 0 | |
| Phosgene | 4 | 0 | 0 | |
| Phosphine | 3 | 4 | 1 | |
| Phosphoric Acid | 2 | 0 | 0 | |
| Phosphorus Trichloride | 3 | 0 | 2 | W |
| Phosphorus, Pentasulfide | 3 | 1 | 2 | W |
| Phosphorus, Red | 0 | 1 | 1 | |
| Phosphorus, White or Yellow | 3 | 3 | 1 | |
| Phosphoryl Chloride | 3 | 0 | 2 | W |
| Phthalic Acid | 0 | 1 | 1 | |
| Pht halic Anhydride | 2 | 1 | 0 | |
| Picric Acid | 2 | 4 | 4 | |
| Pine Oil | 0 | 2 | 0 | |
| Pine Tar | 0 | 2 | 0 | |
| Piperazine | 2 | 2 | 0 | |
| Piperidine | 2 | 3 | 3 | |
| p-Nitroaniline | 3 | 1 | 3 | |
| Potassium | 3 | 1 | 2 | W |
| Potassium Bromate | 1 | 0 | 0 | OX |
| Potassium Chlorate | 2 | 0 | 0 | OX |
| Potassium Cyanide | 3 | 0 | 0 | |
| Potassium Hydroxide (lye) | 3 | 0 | 1 | |
| Potassium Nitrate | 1 | 0 | 0 | OX |
| Potassium Permanganate | 1 | 0 | 0 | OX |
| Potassium Peroxide | 3 | 0 | W,OX | |
| Potassium Persulfate | 1 | 0 | 0 | OX |
| Potassium Sulfide | 2 | 1 | 0 | |
| Propane | 1 | 4 | 0 | |
| Propionic Acid | 2 | 2 | 0 | |
| Propionyl Chloride | 3 | 3 | 1 | |
| Propyl Acetate | 1 | 3 | 0 | |
| Propyl Alcohol | 1 | 3 | 0 | |
| Propyl Chloride | 2 | 3 | 0 | |
| Propyl Nitrite | 2 | 4 | 3 | OX |
| Propylamine | 3 | 3 | 0 | |
| Propylene | 1 | 4 | 1 | |
| Propylene Dichloride | 2 | 3 | 0 | |
| Propylene Glycol | 0 | 1 | 0 | |
| Propylene Oxide | 2 | 4 | 2 | |
| Pyridine | 2 | 3 | 0 | |
| Pyrrole | 2 | 2 | 0 | |
| Pyrrolidine | 2 | 3 | 1 | |
| Quinoline | 2 | 1 | 0 | |
| Resorcinol | 1 | 0 | ||
| Rhodinol | 0 | 1 | 0 | |
| Salicylic Acid | 0 | 1 | 0 | |
| Silane | 1 | 4 | 2 | |
| Silver Nitrate | 1 | 0 | 0 | OX |
| Sodium | 3 | 1 | 2 | W |
| Sodium – Potassium Alloys | 3 | 3 | 2 | W |
| Sodium Chlorate | 1 | 0 | 2 | OX |
| Sodium Chlorite | 1 | 1 | 2 | OX |
| Sodium Cyanide | 3 | 0 | 0 | |
| Sodium Fluoride | 2 | 0 | 0 | |
| Sodium Hydride | 3 | 3 | 2 | W |
| Sodium Hydroxide (lye) | 3 | 0 | 1 | |
| Sodium Nitrate | 1 | 0 | 0 | OX |
| Sodium Perchlorate | 2 | 0 | 2 | OX |
| Sodium Peroxide | 3 | 0 | 1 | OX,W |
| So dium Sulfide | 2 | 1 | 0 | |
| Stannic Chloride | 3 | 0 | 1 | |
| Stearic Acid | 1 | 1 | 0 | |
| Stearyl Alcohol | 0 | 0 | ||
| Stoddard Solvent | 0 | 2 | 0 | |
| Styrene | 2 | 3 | 2 | |
| Sulfur | 2 | 1 | 0 | |
| Sulfur Chloride | 2 | 1 | 2 | W |
| Sulfur Dioxide | 2 | 0 | 0 | |
| Sulfuric Acid | 3 | 0 | 2 | W |
| Tannic Acid | 0 | 1 | 0 | |
| Terephthaloyl Chloride | 3 | 1 | 0 | |
| Tetrachlorobenzene | 0 | 1 | 0 | |
| Tetrachloroethylene | 2 | 0 | 0 | |
| Tetradecanol | 0 | 1 | 0 | |
| Tetraethyl Lead, Compounds | 3 | 2 | 3 | |
| Tetraethylene Glycol | 1 | 1 | 0 | |
| Tetrafluorethylene | 3 | 4 | 3 | |
| Tetrahydrofuran | 2 | 3 | 1 | |
| Tetramethyl Lead, Compounds | 3 | 3 | 3 | |
| Thionyl Chloride | 3 | 0 | 2 | W |
| Thiophene | 2 | 3 | 0 | |
| Titanium Tetrachloride | 3 | 0 | 1 | |
| Toluene | 2 | 3 | 0 | |
| Toluene-2,4-Diisocyanate | 3 | 1 | 1 | |
| Triamylbenzene | 0 | 1 | 0 | |
| Tributyl Phosphate | 2 | 1 | 0 | |
| Tributyl Phosphite | 2 | 1 | 1 | |
| Tributylamine | 2 | 2 | 0 | |
| Tributylphosphine | 0 | 1 | 0 | |
| Trichloroethylene | 2 | 1 | 0 | |
| Trichloroethylsilane | 3 | 3 | 0 | |
| Trichlorosilane | 3 | 4 | 2 | W |
| Triethanolamine | 2 | 1 | 1 | |
| Triethyl Phosphate | 0 | 1 | 1 | |
| Triethylamine | 2 | 3 | 0 | |
| Triisobutyl Borate | 3 | 2 | 1 | |
| Trimethylamine | 2 | 4 | 0 | |
| Trimethylchlorosilane | 3 | 3 | 2 | W |
| Trimylamine | 2 | 1 | 0 | |
| Trinitrobenzene | 2 | 4 | 4 | |
| Trinitrotoluene (tnt) | 2 | 4 | 4 | |
| Trioxane | 2 | 2 | 0 | |
| Triphenylmethane | 0 | 1 | 0 | |
| Tripropylene | 0 | 3 | 0 | |
| Tripropylene Glycol | 0 | 1 | 0 | |
| Turpentine | 1 | 3 | 0 | |
| Valeraldehyde | 1 | 3 | 0 | |
| Vanadium Tetrachloride | 3 | 0 | 2 | W |
| Vinyl Acetate | 2 | 3 | 2 | |
| Vinyl Bromide | 2 | 0 | 1 | |
| Vinyl Butyl Ether | 2 | 3 | 2 | |
| Vinyl Chloride | 2 | 4 | 1 | |
| Vinyl Crotonate | 2 | 3 | 2 | |
| Vinyl Ethyl Alcohol | 0 | 2 | 0 | |
| Vinyl Ethyl Ether | 2 | 4 | 2 | |
| Vinyl Fluoride | 1 | 4 | 2 | |
| Vinyl Methyl Ether | 2 | 4 | 2 | |
| Vinyl Propionate | 2 | 3 | 2 | |
| Vinyl Toluene | 2 | 2 | 1 | |
| Vinylidene C hloride | 2 | 4 | 2 | |
| Vinylidene Fluoride | 1 | 4 | 2 | |
| Zinc (powder or dust) | 0 | 1 | 1 | |
| Zinc Chlorate | 2 | 0 | 2 | OX |
| Zirconium Tetrachloride | 3 | 0 | 1 |
