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INCOMPATIBLE CHEMICAL LIST
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PRUDENT PRACTICES FOR HANDLING CHEMICALS IN LABORATORIES
Examples of Incompatible Chemicals
| CHEMICAL |
IS INCOMPATIBLE WITH |
| Acetic Acid |
Chromic acid, nitric acid, hydroxyl compounds, ethylene glycol, perchloric acid, peroxides, permanganates |
| Acetylene |
Chlorine, bromine, copper, fluorine, silver, mercury |
| Acetone |
Concentrated nitric and sulfuric acid mixtures |
| Alkali and alkaline earth metals (such as powdered aluminum or magnesium, calcium, lithium, sodium, potassium) |
Water, carbon tetrachloride or other chlorinated hydrocarbons, carbon dioxide, halogens |
| Ammonia (anhydrous) |
Mercury (in manometers, for example), chlorine, calcium hypochlorite, iodine, bromine, hydrofluoric acid (anhydrous) |
| Ammonium nitrate |
Acids, powdered metals, flammable liquids, chlorates, nitrites, sulfur, finely divided organic or combustible materials |
| Aniline |
Nitric acid, hydrogen peroxide |
| Arsenical materials |
Any reducing agent |
| Azides |
Acids |
| Bromine |
See Chlorine |
| Calcium oxide |
Water |
| Carbon (activated) |
Calcium hypochlorite, all oxidizing agents |
| Carbon tetrachloride |
Sodium |
| Chlorates |
Ammonium salts, acids, powdered metals, sulfur, finely divided organic or combustible materials |
| Chromic acid and chromium trioxide |
Acetic acid, naphthalene, camphor, glycerol, alcohol, flammable liquids in general |
| Chlorine |
Ammonia, acetylene, butadiene, butane, methane, propane (or other petroleum gases), hydrogen, sodium carbide, benzene, finely divided metals, turpentine |
| Chlorine dioxide |
Ammonia, methane, phosphine, hydrogen sulfide |
| Copper |
Acetylene, hydrogen peroxide |
| Cumene hydroperoxide |
Acids (organic and inorganic) |
| Cyanides |
Acids |
| Flammable liquids |
Ammonium nitrate, chromic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens |
| Fluorine |
Everything |
| Hydrocarbons (such as butane, propane, benzene) |
Fluorine, chlorine, bromine, chromic acid, sodium peroxide |
| Hydrocyanic acid |
Nitric acid, alkali |
| Hydrofluoric acid (anhydrous) |
Ammonia (aqueous or anhydrohydrous) |
| Hydrogen peroxide |
Copper, chromium, iron, most metals or their salts, alcohols, acetone, organic materials, aniline, nitromethane, combustible materials |
| Hydrogen sulfide |
Fuming nitric acid, oxidizing gases |
| Hypochlorites |
Acids, activated carbon |
| Iodine |
Acetylene, ammonia (aqueous or anhydrous), hydrogen |
| Mercury |
Acetylene, fulminic acid, ammonia |
| Nitrates |
Sulfuric acid |
| Nitric acid (concentrated) |
Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases, copper, brass, any heavy metals |
| Nitrites |
Acids |
| Nitroparaffins |
Inorganic bases, amines |
| Oxalic Acid |
Silver, mercury |
| Oxygen |
Oils, grease, hydrogen, flammable liquids, solids, or gases |
| Perchloric acid |
Acetic anhydride, bismuth and its alloys, alcohol, paper, wood, grease, oils |
| Peroxides, organic |
Acids (organic or mineral), avoid friction, store cold |
| Phosphorus (white) |
Air, oxygen, alkalis, reducing agents |
| Potassium |
Carbon tetrachloride, carbon dioxide, water |
| Potassium chlorate |
Sulfuric and other acids |
| Potassium perchlorate (see also chlorates) |
Sulfuric and other acids |
| Potassium permanganate |
Glycerol, ethylene glycol, benzaldehyde, sulfuric acid |
| Selenides |
Reducing agents |
| Silver |
Acetylene, oxalic acid, tartartic acid, ammonium compounds, fulminic acid |
| Sodium |
Carbon tetrachloride, carbon dioxide, water |
| Sodium nitrite |
Ammonium nitrate and other ammonium salts |
| Sodium peroxide |
Ethyl or methyl alcohol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerin, ethylene glycol, ethyl acetate, methyl acetate, furfural |
| Sulfides |
Acids |
| Sulfuric acid |
Potassium chlorate, potassium perchlorate, potassium permanganate (similar compounds of light metals such as sodium, lithium) |
| Tellurides |
Reducin agents |
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