NFPA Hazard Rating Information for Common Chemicals
(A-C) (D-I) (J-R) (S-Z) Link to all (text-format)
| Compounds (A-C) | Health | Fire | React | Spec. Haz. |
| 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 | |
| Lithium Hydride | 3 | 4 | 2 | |
| Lubricating Oil, Mineral | 0 | 1 | 0 | |
| Magnesium (including all alloys) | 0 | 1 | 2 | |
| Magnesium Nitrate | 1 | 0 | 0 | OX |
| Magnesium Perchlorate | 1 | 0 | 0 | OX |
| 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 | |
| Methylal | 2 | 3 | 2 | |
| Methyl Alcohol | 1 | 3 | 0 | |
| Methylamine | 3 | 4 | 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 | |
| Methylcyclohexane | 2 | 3 | 0 | |
| Methylcyclohexanone | - | 2 | 0 | |
| Methylcyclopentane | 2 | 3 | 0 | |
| Methylene Chloride | 2 | 1 | 0 | |
| Methylene Diisocyanate | 1 | 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 Acetate | 1 | 2 | 0 | |
| Methyl Hexyl Ketone | 0 | 2 | 0 | |
| Methylhydrazine | 3 | 3 | 2 | |
| Methyl Isoamyl Ketone | 1 | 2 | 0 | |
| Methyl Isobutyl Carbinol | 2 | 2 | 0 | |
| Methyl Isobutyl Ketone | 2 | 3 | 0 | |
| Methyl Isocyanate | 2 | 3 | 3 | |
| Methyl Lactate | 1 | 2 | 0 | |
| Methyl Mercaptan | 2 | 4 | 0 | |
| Methyl Methacrylate | 2 | 3 | 2 | |
| Methyl Parathion (solid) | 4 | 1 | 2 | |
| 2-Methyl-1-Pentene | 1 | 3 | 0 | |
| Methyl Phenylacetate | 0 | 2 | 0 | |
| 1-Methyl Piperazine | 2 | 2 | 0 | |
| Methyl Propionate | 1 | 3 | 0 | |
| Methyl Propyl Ketone | 2 | 3 | 0 | |
| 2-Methylpyrazine | 2 | 2 | 0 | |
| Methylpyrrole | 2 | 3 | 1 | |
| Methylpyrrolidine | 2 | 3 | 1 | |
| Methyl Salicylate | 1 | 1 | 0 | |
| Methyl Stearate | 0 | 1 | 0 | |
| Methyl Toluene Sulfonate | 2 | 1 | 0 | |
| Methyl Vinyl Ketone | 3 | 3 | 2 | |
| Mineral Oil | 0 | 1 | 0 | |
| Mineral Spirits | 0 | 2 | 0 | |
| Morpholine | 2 | 3 | 0 | |
| Mustard Oil | 3 | 2 | 0 | |
| Naptha | 1 | 3 | 0 | |
| Napthalene | 2 | 2 | 0 | |
| Nickel Carbonyl | 4 | 3 | 3 | |
| Nicotine | 4 | 1 | 0 | |
| Nitric Acid | 3 | 0 | 0 | OX |
| p-Nitroaniline | 3 | 1 | 3 | |
| Nitrobenzene | 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 | |
| 1-Nitropropane | 1 | 3 | 1 | |
| o-Nitrotoluene | 2 | 1 | 4 | |
| Nonadecane | 0 | 1 | 0 | |
| Nonane | 0 | 3 | 0 | |
| Nonene | 0 | 3 | 0 | |
| Nonylbenzene | 0 | 1 | 0 | |
| Octadecane | 0 | 1 | 0 | |
| Octane | 0 | 3 | 0 | |
| 2-Octanol | 1 | 2 | 0 | |
| 1-Octene | 1 | 3 | 0 | |
| Oleic Acid | 0 | 1 | 0 | |
| Olive Oil | 0 | 1 | 0 | |
| Oxalic Acid | 2 | 1 | 0 | |
| Oxygen (liquid) | 3 | 0 | 0 | OX |
| Paraffin Oil | 0 | 1 | 0 | |
| Paraformaldehyde | 2 | 1 | 0 | |
| Paraldehyde | 2 | 3 | 1 | |
| Parathion | 4 | 1 | 2 | |
| Pentaborane | 3 | 3 | 2 | |
| Pentachlorophenol (dry) | 3 | 0 | 0 | |
| Pentane | 1 | 4 | 0 | |
| Pentanoic acid | 2 | 1 | 0 | |
| Pentaphen | 2 | 1 | 0 | |
| 1-Pentene | 1 | 4 | 0 | |
| Perchloric Acid | 3 | 0 | 3 | OX |
| Perchloroethylene | 2 | 0 | 0 | |
| Petroleum, Crude | 1 | 3 | 0 | |
| Petroleum Ether | 1 | 4 | 0 | |
| Phenol | 3 | 2 | 0 | |
| Phenylacetaldehyde | 1 | 2 | 0 | |
| Phenyl Acetate | 1 | 2 | 0 | |
| Phenylacetic Acid | 1 | 1 | 0 | |
| o-Phenylenediamine | - | 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 Pentasulfide | 3 | 1 | 2 | |
| Phosphorus, Red | 0 | 1 | 1 | |
| Phosphorus Trichloride | 3 | 0 | 2 | |
| Phosphorus, White or Yellow | 3 | 3 | 1 | |
| Phosphoryl Chloride | 3 | 0 | 2 | |
| Phthalic Acid | 0 | 1 | 1 | |
| Phthalic 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 | |
| Potassium | 3 | 1 | 2 | |
| 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 | 2 | |
| 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 | |
| Propylamine | 3 | 3 | 0 | |
| Propyl Chloride | 2 | 3 | 0 | |
| Propylene | 1 | 4 | 1 | |
| Propylene Dichloride | 2 | 3 | 0 | |
| Propylene glycol | 0 | 1 | 0 | |
| Propylene Oxide | 2 | 4 | 2 | |
| n-Propyl Ether | - | 3 | 0 | |
| Propyl Nitrate | 2 | 4 | 3 | OX |
| Pyridine | 2 | 3 | 0 | |
| Pyrrole | 2 | 2 | 0 | |
| Pyrrolidine | 2 | 3 | 1 | |
| Quinoline | 2 | 1 | 0 | |
| Resorcinol | - | 1 | 0 | |
| Rhodinol | 0 | 1 | 0 |
(A-C) (D-I) (J-R) (S-Z) Link to all (text-format)