This list is NOT complete. NOT ALL incompatible substances are shown.
| CHEMICAL: | KEEP OUT OF CONTACT WITH: |
|---|---|
| Acetic acid | Chromic acid, Nitric acid, Hydroxyl compounds, Ethylene glycol, Perchloric acid, Peroxides, Permanganates |
| Acetylene and monosubstituted acetylenes | Group IB and IIB metals and their salts, Halogens, Halogenating agents |
| Alkali and alkaline earth carbides, hydrides, hydroxides, metals, oxides, peroxides | Water, Acids, Halogenating organic compounds, Halogenation agents, Oxidizing agents |
| Ammonia, anhydrous | Mercury, Chlorine, Calcium hypochlorite, Iodine, Bromine, Hydrofluoric acid (anhydrous) |
| Ammonium nitrate | Acids, Metal powders, Flammable liquids, Chlorates, Nitrites, Sulfur, Finely divided organic or combustible materials |
| Aniline | Nitric acid, Hydrogen peroxide |
| Azides, inorganic | Acids, Heavy metals and their salts, Oxidizing agents |
| Bromine | Same as for chlorine |
| Carbon, activated | Calcium hypochlorite, All oxidizing reagents |
| Chlorates | Ammonium salts, Acids, Metal powders, Sulfur, Finely divided organic or combustible materials |
| Chromic acid | Acetic acid, Naphthalene, Camphor, Glycerin, Turpentine, Alcohol, Flammable liquids in general |
| Chlorine | Ammonia, Acetylene, Butadiene, Butane, Methane, Propane (or other petroleum gases), Hydrogen, Sodium carbide, Turpentine, Benzene, Finely divided metals |
| Chlorine dioxide | Ammonia, Methane, Phosphine, Hydrogen sulfide |
| Copper | Acetylene, Hydrogen peroxide |
| Cumeme hydroperoxide | Acids, Organic or inorganic |
| Cyanides, inorganic | Acids, Strong bases |
| Flammable liquids | Ammonium nitrate, Chromic acid, Hydrogen peroxide, Nitric acid, Sodium peroxide, The halogens |
| Fluorine | Isolate from everything |
| Hydrocarbons (butane, propane, benzene, gasoline, turpentine, etc.) | Fluorine, Chlorine, Bromine, Chromic acid, Sodium peroxide |
| Hydrocyanic acid | Nitric acid, Alkali |
| Hydrofluoric acid, anhydrous | Ammonia (aqueous or anhydrous) |
| Hydrogen peroxide | Copper, Chromium, Iron, Most metals and their salts, Alcohols, Acetone, Organic materials, Aniline, Nitromethane, Flammable liquids, Combustible materials |
| Hydrogen sulfide | Fuming nitric acid, Oxidizing gases |
| Iodine | Acetylene, Ammonia (aqueous or anhydrous), Hydrogen |
| Mercury and its amalgams | Acetylene, Fulminic acid, Ammonia (aqueous or anhydrous), Nitric acid, Sodium azide |
| Nitrates, inorganic | Acids, Reducing agents |
| Nitric acid | Acetic acid, Aniline, Bases, Chromic acid, Chromates, Hydrocyanic acid, Metals, Permanganates, Reducing agents, Sulfides, Sulfuric acid, Flammable liquids, Flammable gases |
| Nitrites, inorganic | Acids, Oxidizing agents |
| Organic acyl halides | Oxidizing agents, Bases, Organic hydroxy and amino compounds |
| Organic anhydrides | Bases, Organic hydroxy and amino compounds |
| Organic halogen compounds | Group IA and IIA metals |
| Organic nitro compounds | Strong bases |
| Oxalic acid | Mercury and its salts, Silver and its salts |
| Perchloric acid | Acetic anhydride, Bismuth and its alloys, Alcohol, Paper, Wood |
| Phosphorus | Oxidizing agents, Oxygen, Strong bases |
| Phosphorus pentoxide | Alcohols, Strong bases, Water |
| Potassium | Carbon tetrachloride, Carbon dioxide, Water |
| Potassium chlorate | Sulfuric and other acids |
| Potassium perchlorate (also see Chlorates) | Sulfuric and other acids |
| Potassium permanganate | Glycerin, Ethylene glycol, Benzaldehyde, Sulfuric acid |
| Silver | Acetylene, Oxalic acid, Tartaric acid, Ammonium compounds |
| Sodium | Carbon tetrachloride, Carbon dioxide, Water |
| Sodium peroxide | Ethyl or methyl alcohol, Glacial acetic acid, Acetic anhydride, Benzaldehyde, Carbon disulfide, Glycerin, Ethylene glycol, Ethyl acetate, Methyl acetate, Furfural |
| Sulfides, inorganic | Acids |
| Sulfuric acid, concentrated | Bases, Potassium chlorate, Potassium perchlorate, Potassium permanganate (or compounds with similar light metals, such as sodium, lithium), Water |
References: Dangerous Chemicals Code, Bureau of Fire Prevention, City of Los Angeles Fire Department, 1951.
Prudent Practices for Disposal of Chemicals from Laboratories, National Research Council, Washington, D.C., National Academy Press, 1983.
This page is for INFORMATIONAL PURPOSES ONLY.
Page author: Dawn Rorvik (rorvikd@evergreen.edu)