NFPA Chemicals

NFPA 704

NFPA Diamond

These pages are for general reference and educational purposes only and should NOT be used to determine regulatory compliance or relied upon as a sole source of information where matters of life and health are concerned. This site and the author do not warrant or guarantee the accuracy or the sufficiency of the information provided and do not assume any responsibility for its use.

In matters regarding the NFPA 704 labeling system, one should refer to the current National Fire Protection Association (NFPA) codes in section 704 of the National Fire Code. To ensure regulatory compliance when transporting hazardous materials or dangerous goods, one should receive proper training and certification from a qualified instructor and refer to a copy of the current year's Code of Federal Regulations Title 49 (49CFR). When shipping hazardous cargo by air, one should refer to IATA regulations. In matters regarding storing or warehousing of hazardous materials and workplace safety, one should refer to current OSHA regulations (29CFR), NIOSH guidelines and one's local or state fire marshals office.

NFPA 704 Ratings for Common Chemicals


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NFPA 704 RATINGS FOR COMMON CHEMICALS
Chemical Health Fire Reactivity Special
Acetaldehyde 2 4 2  
Acetic acid (glacial) 2 2 0  
Acetic anhydride 2 2 1  
Acetone 2 3 0  
Acetone cyanohydrin 3 2 2  
Acetonitrile 3 3 0  
Acetophenone 1 2 0  
Acetyl chloride 3 3 2 w
Acetylene 1 4 3  
Acrolein, inhibited 3 3 3  
Acrylamide 3 2 2  
Acrylic acid (glacial) 3 2 2  
Acrylonitrile 4 3 2  
Adiponitrile 4 2 1  
Alkylaluminums 3 4 3 w
Ally Chlorocarbonate 3 3 1  
Ally alcohol 3 3 1  
Ally bromide 3 3 1  
Ally chloride 3 3 1  
Allylamine 3 3 1  
Aluminum 0 1 1  
Aluminum Chloride 3 0 2 w
Aluminum Phosphide 3 4 2 w
Ammonia (anhydrous) 3 1 0  
Ammonium Dichromate 2 1 1 ox
Ammonium Fluoride 3 0 0  
Ammonium Nitrate 1 0 3 ox
Ammonium Perchlorate 1 0 4 ox
Ammonium Permanganate 1 0 3 ox
Amyl Mercaptan 2 3 0  
Amyl Nitrate 2 2 0  
Amylamine 2 3 0  
Aniline 3 2 0  
Antimony pentachloride 3 0 1  
Antimony Pentafluoride 3 0 1  
Antimony Sulfide, solid 2 1 1  
Arsenic Pentafluoride 4 0 1  
Arsenic Pentoxide 2 0 0  
Arsenic Trichloride 3 0 0  
Arsenic Trioxide 2 0 0  
Arsenic Trisulfide 2 0 0  
Arsine 4 4 2  

Chemical Health Fire Reactivity Special
Barium Chlorate 2 0 1 ox
Benzaldehyde 2 2 0  
Benzene 2 3 0  
Benzotrifluoride 3 3 1  
Benzoyl Chloride 3 2 2 w
Beryllium Metal 3 1 0  
Boron Tribromide 3 0 2 w
Boron Trifluoride 3 0 1  
Bromine 3 0 0 ox
Bromine Pentafluoride 4 0 3 w, ox
Bromine Trifluoride 4 0 3 w, ox
Bromopentane, 1- 1 3 0  
Bromopropyne, 3- 4 3 4  
Butadiene, inhibited 2 4 2  
Butanol, 1- 1 3 0  
Butanol, 2- 1 3 0  
Butyl Acrylate, inhibited 2 2 2  
Butyl Ether 2 3 1  
Butyl acetate, n- 1 3 0  
Butyl acetate, s- 1 3 0  
Butylamine 3 3 0  
Butylene Oxide 2 3 2  
Butyllithium 3 4 2 w
Butyraldehyde 2 3 2  
Butyric Acid 3 2 0  

Chemical Health Fire Reactivity Special
Calcium Carbide 1 3 2 w
Calcium Chlorate 1 0 1 __ ox
Calcium Cyanide, solid 3 0 1  
Calcium Hypochlorite 1 0 2 ox
Calcium Oxide 1 0 1  
Calcium, metal 1 1 2 w
Carbon Disulfide 2 4 0  
Carbon Monixide 3 4 0  
Carbon Tetrachloride 3 0 0  
Chlorine 3 0 0 ox
Chlorine Trifluoride 4 0 3 w, ox
Chloroacetic Acid 3 1 0  
Chloroacetonitrile 3 2 0  
Chloroacetyl Chloride 3 0 1  
Chlorobenzene 2 3 0  
Chlorodiethyl Silane 3 3 1  
Chloroform 2 0 0  
Chlorophenols, liquid 3 2 0  
Chlorophenols, solids 3 1 0  
Chloropicrin, liquid 4 0 3  
Chlorosilanes 3 3 2 w
Chlorosulfonic Acid 3 0 2 w, ox
Chromic Acid, solid 3 0 1 ox
Chromic chloride 3 0 0  
Chromyl Chloride 2 0 2 w
Cresol(o-, m-, p-) 3 2 0  
Crotonaldehyde 3 3 2  
Cumene 2 3 1  
Cyanoacetic Acid 3 1 0  
Cyanogen Bromide 3 0 1  
Cyanogen Gas 4 4 2  
Cyclohexane 1 3 0  
Cyclohexanol 1 2 0  
Cyclohexanone 1 2 0  
Cyclohexylamine 2 3 0  

Chemical Health Fire Reactivity Special
Decaborane 3 2 1  
Diamylamine 3 2 0  
Diborane 3 4 3 w
Dibutylamine 3 2 0  
Dichloroacetyl Chloride 3 2 2 w
Dichloroanilines 3 1 0  
Dichlorobenzene 2 2 0  
Dichlorobutane, 1, 4- 2 2 0  
Dichlorodimethylether 3 3 1  
Dichloroethyl Ether, 2, 2- 3 2 1  
Dichloroethylene 2 3 2  
Dichloropropene, 1, 3- 3 3 0  
Dichlorosilane 3 4 2 w
Diesel fuel (No. 1, 2 and 4) 0 2 0  
Diethyl Sulfate 3 1 1  
Diethyl Telluride 2 4 3 w
Diethylaluminum Chloride 3 4 3 w
Diethylamine 3 3 0  
Diethylenetriamine 3 1 0  
Diethylzinc 1 4 3 w
Diisopropyl Ether 2 3 1  
Diisopropylamine 3 3 0  
Diketene, inhibited 3 2 2  
Dimethyl Ether 2 4 1  
Dimethyl Sulfate 4 2 0  
Dimeethyl Sulfide 2 4 0  
Dimethylamine 3 4 0  
Dimethylhydrazine 3 3 1  
Dinitroaniline, 2, 4- 3 1 3  
Dinitrobenzene, 1, 2- 3 1 4  
Dinitrochlorobenzene 3 1 4  
Dinitrotoluene 3 1 3  
Dioxane, 1, 4- 2 3 1  
Divinylbenzene 2 2 2  

Chemical Health Fire Reactivity Special
Epichlorohydrin 3 3 2  
Ethyl Acrylate, inhibited 2 3 2  
Ethyl Chloride 2 4 0  
Ethyl Chloroformate 3 3 1  
Ethyl Ether 2 4 1  
Ethyl Methyl Ether 2 4 1  
Ethyl Nitrite 2 4 4  
Ethyl Trichlorosilane 3 3 2 w
Ethyl acetate 1 3 0  
Ethylaniline, N- 3 2 0  
Eathylbenzene 2 3 0  
Ethylene 1 4 2  
Ethylene Chlorohydrin 4 2 0  
Ethylene Cyanohydrin 2 1 2  
Ethylene Dibromide 3 0 0  
Ethylene Dichloride 2 3 0  
Ethylene Oxide 2 4 3  
Ethylenediamine 3 3 0  
Ethyleneimine, inhibited 3 3 3  
Ethylhexyl Acrylate, 2- 2 2 2  

Chemical Health Fire Reactivity Special
Fluoboric Acid 3 3 0  
Fluorine 3 0 4 w
Formaldehyde, anhydrous 3 4 0  
Formaldehyde, aqueous 3 2 0  
Formic Acid 3 2 0  
Fuel oil (Nos. 1-6) 0 2 0  
Furfural 2 2 0  

Chemical Health Fire Reactivity Special
Gallium Arsenide 3 1 2 w
Gallium Phosphide 3 3 2 w
Gallium Trichloride 3 0 1  
Gasoline 1 3 0  
Germane 4 4 3  

Chemical Health Fire Reactivity Special
Heptane, n- 1 3 0  
Hexamethyldisilazane 3 2 1  
Hexane, n- 1 3 0  
Hexanol, n- 1 2 0  
Hydrazine, anhydrous 3 3 3  
Hydroidic Acid 3 0 0  
Hydrobromic Acid 3 0 0  
Hydrogen Chloride 3 0 0  
Hydrogen Cyanide 4 4 2  
Hydrogen Fluoride 4 0 1  
Hydrogen Peroxide (35-52%) 2 0 1 ox
Hydrogen Peroxide (>52%) 2 0 3 ox
Hydrogen Sulfide 3 4 0  
Hydrogen, gas 0 4 0  
Hydrogen, liquefied 3 4 0  
Hydroxylamine 2 0 3  

Chemical Health Fire Reactivity Special
Isobutyl acetate 1 3 0  
Isophorone 2 2 0  
Isoprene 2 4 2  
Isopropanol 1 3 0  
Isopropyl Formate 2 3 0  
Isopropylamine 3 4 0  

Chemical Health Fire Reactivity Special
Kerosene 0 2 0  
Lead Arsenates 2 0 0  
Lithium Alunimum Hydride 3 2 2 w
Lithium Hydride 3 2 2 w
Lithium Metal 3 2 2 w

Chemical Health Fire Reactivity Special
Magnesium (+alloys) 0 1 1  
Maleic Anhydride 3 1 1  
Mercuric Cyanide 3 0 0  
Mesityl Oxide 3 3 1  
Methacrylic Acid, inhibited 3 2 2  
Methyl Acrylate, inhibited 2 3 2  
Methyl Bromide 3 1 0  
Methyl Butyraldehyde, 2- 2 3 0  
Methyl Chloride 2 4 0  
Methyl Chloromethyl Ether 3 3 2  
Methyl cyclopenate 2 3 0  
Methyl Formate 2 4 0  
Methyl Hydrazine 3 3 2  
Methyl Isocyanate 4 3 2  
Methyl methacrylate 2 3 2  
Methyl Vinyl Ketone, inhibited 3 3 2  
Methyl acetate 1 3 0  
Methyl alcohol 1 3 0  
Methyl ethyl keetone 1 3 0  
Methyl mercaptan 2 4 0  
Methyl-1-butene, 3- 2 4 0  
Methyl-2-butanol, 2- 1 3 0  
Methyl-2-butanol, 3- 1 3 0  
Methyl-2-propanol, 2- 1 3 0  
Methyl-5-Pyridine, 2- 2 2 0  
Methylamine, anhydrous 3 4 0  
Methyldichlorosilane 3 3 2 w
Methylene Chloride 2 1 0  
Methyltrichlorosilane 3 3 2 w
Monochloro-s-Triazinetrione Acid 3 0 2 w, ox
Monoethanolamine 2 2 0  
Monoethylamine 3 4 0  
Morpholine 2 3 0  

Chemical Health Fire Reactivity Special
Napthalene 2 2 0  
Natural Gas, gas 0 4 0  
Natural Gas, liquid 3 4 1  
Nickel Carbonyl 4 3 3  
Nickel Catalyst, dry 2 3 3  
Nitric Acid, >40% 3 0 0 ox
Nitric Acid, fuming 3 0 1 ox
Nitroaniline, p- 3 1 2  
Nitrobenzene, liquid 3 2 1  
Nitrocellulose, alcohol wet 2 3 2  
Nitrocellulose, colloided 2 3 0  
Nitrocellulose, water wet 1 2 2  
Nitrochlorobenzene 3 1 0  
Nitroethane 1 3 3  
Nitrogen oxides 3 0 0 ox
Nitrogen, refrig liquid 3 0 0  
Nitromethane 1 3 4  
Nitrophenol, p- 3 1 2  
Nitropropane 1 3 2  
Nitrotoluene, o-, m-, p- 3 1 1  

Chemical Health Fire Reactivity Special
Octane 0 3 0  
Octyl alcohol 1 2 0  
Oxalic Acid, dihydrate 2 1 0  
Oxygen, gas 0 0 0 ox
Oxygen, liquid 3 0 0 ox

Chemical Health Fire Reactivity Special
Paraformaldehyde 2 1 0  
Paraldehyde 2 3 1  
Pentaborane 4 4 2  
Pentachlorophenol 3 0 0  
Pentane 1 4 0  
Pentanol, 1- 1 3 0  
Pentanol, 2- 3 2 0  
Pentanol, 3- 1 2 0  
Pentenel, 1- 1 4 0  
Peracetic Acid >40% 3 2 4 ox
Perchloric Acid (>50%>72%) 3 0 3 ox
Petroleum crude 1 3 0  
Petroleum ether 1 4 0  
Phenol 3 2 0  
Phenylethanolamine 2 1 0  
Phenylmercuric Acetate, dry 3 1 0  
Phenylmercuric Acetate, organic 3 2 0  
Phosphorus Oxychloride 3 0 2 w
Phosphorus Pentachloride 3 0 2 w
Phosphorus Pentasulfide 2 1 2 w
Phosphorus Tribromide 3 0 2 w
Phosphorus Trichloride 3 0 2 w
Phosphorus, amorphous, red 1 1 1  
Phthalic Anhydride 2 1 0  
Picric Acid, 10% water 3 4 4  
Polychlorinated Biphenyls 2 1 0  
Potassium Chlorate 1 0 1 ox
Potassium Cyanide, solid 3 0 0  
Potassium Dichloro-s-Triazinetrione 3 0 2 ox
Potassium Hydroxide 3 0 1  
Potassium Perchlorate 1 0 1 ox
Potassium Peroxide 3 0 1 ox
Potassium Sulfide 3 1 0  
Potassium, metal 3 3 2 w
Propargyl Alcohol 3 3 3  
Propionaldehyde 2 3 2  
Propionic Acid 2 2 0  
Propionic Anhydride 2 2 1  
Propyl Nitrate 2 3 3 ox
Propyl acetate 1 3 0  
Propylamine, n- 3 3 0  
Propylene 1 4 1  
Propylene Dichloride 2 3 0  
Propylene Oxide 4 2 2  
Propyltrichlorosilane 3 3 1  
Pyridine 2 3 0  
Pyroxylin Plastic 2 3 2  

Chemical Health Fire Reactivity Special
Silane 2 4 3  
Silane, (4-Aminobutyl)-Diethoxymethyl 3 2 1  
Silicon Tetrachloride 3 0 2 w
Silicon Tetrafluoride 3 0 2 w
Sodium Chlorate 1 0 1 ox
Sodium Chlorite 1 1 1 ox
Sodium Cyanide 3 0 0  
Sodium Dichloro-s-Triazinetrione and Dihydra 3 3 2 w, ox
Sodium Fluoride 2 0 0  
Sodium Hydride 3 3 2 w
Sodium Hydrosulfite 3 1 2  
Sodium Hydroxide 3 0 1  
Sodium Perchlorate 2 0 1 ox
Sodium Peroxide 3 0 1 ox
Sodium Potassium Alloys 3 3 2 w
Sodium Sulfide, anhydrous 3 1 1  
Sodium, metal 3 3 2 w
Stibine 3 4 2  
Styrene monomer, inhibited 2 3 2  
Sulfur Dioxide 3 0 0  
Sulfur Monochloride 2 1 1  
Sulfur, dry 1 1 0  
Sulfur, molten 2 1 0  
Sulfuric Acid 3 0 2 w
Sulfuryl Chloride 3 0 1  

Chemical Health Fire Reactivity Special
Tetrachloroethylene 2 0 0  
Tetrafluorethylene (monomer, inhibited) 2 4 3  
Tetrahydrofuran 2 3 1  
Tetrahydronaphthalene 1 2 0  
Tetramethoxysilane 3 3 1  
Thionyl Chloride 3 0 2 w
Tin Tetrachloride, anhydrous 3 0 1  
Titanium Tetrachloride 3 0 2 w
Toluene 2 3 0  
Toluene, 2, 4-Disocyanate 3 1 2  
Toluidine, o- 3 2 0  
Toluidine, p- 3 2 0  
Tributylamine 3 2 0  
Trichloroethane, 1, 1, 2- 3 1 0  
Trichloroethylene 2 2 0  
Trichloroisocyanuric Acid 3 0 2 ox
Trichlorosilane 3 4 2 w
Triethylaluminum 3 4 3 w
Triethylamine 2 3 0  
Triisobutylaluminum 3 4 3 w
Trimethoxxysilane 3 3 2  
Trimethylamine 3 4 0  
Tripentylamine 2 1 0  
Turpentine 1 3 0  

Chemical Health Fire Reactivity Special
Vanadium Tetrachloride 3 0 2 w
Vinyl Acetate 2 3 2  
Vinyl Acetylene 2 4 3  
Vinyl Chloride 2 4 2  
Vinyl Ether 2 3 2  
Vinylidene Chloride, inhibited 2 4 2  
Vinyltoluene 2 2 2  
Xylenes, o-, m-, p- 2 3 0  
Zylidine, o- 3 1 0  
Zine Chlorate 1 0 1 ox
Zine Phosphide 3 3 1  
Zirconium Tetrachloride 3 0 2 w

NOTE: NFPA and other labeling codes are NOT required by OSHA. OSHA has said "...OSHA does not endorse specific services or products. It would, therefore, be inappropriate for OSHA to require a particular labeling system's code on the material safety data sheet." (see official OSHA interpretations). OSHA does have specific labeling requirements that must be fulfilled, but there is no specified format or code system required.


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