Partial List of Chemical Incompatibilities

Chemical Incompatibilities – Partial List
Chemical Incompatible With
Acetic Acid Chromic acid, nitric acid, hydroxyl compounds, ethylene glycol, perchloric acid, peroxides, permanganates
Acetone Concentrated nitric acid and sulfuric acid, and other strong oxidizing agents; very strong bases such as potassium t-butoxide
Acetylene Chlorine, bromine, copper, silver, fluorine, mercury
Alkali and alkaline earth metals (such as powdered aluminum or magnesium, calcium, lithium, sodium, potassium) Water, carbon tetrachloride or other halogenated hydrocarbons, carbon dioxide, halogens
Ammonia (anhydrous) Mercury (e.g., in manometers), chlorine, calcium hypochlorite, iodine, bromine, hydrofluoric acid (anhydrous)
Ammonium nitrate Acids, powdered metals, flammable liquids, chlorates, nitrates, sulfur, finely divided organic combustible materials
Aniline Nitric acid, hydrogen peroxide
Arsenic compounds Any reducing agent
Azides Acids. Store azide salts (e.g., sodium and potassium azide) by themselves.
Bromine See chlorine
Calcium oxide Water
Carbon (activated) Calcium hypochlorite, all oxidizing agents
Carbon tetrachloride Sodium
Chlorine Ammonia, acetylene, butadiene, butane, other petroleum gases, hydrogen, sodium carbide, turpentine, benzene, finely divided metals
Chlorates Ammonium salts, acids, powdered metals, sulfur, finely divided organic, combustible materials
Chromic acid and chromium trioxide Acetic acid, naphthalene, camphor, glycerol, alcohol, flammable liquids in general
Chlorine dioxide Ammonia, methane, phosphine, hydrogen sulfide
Copper Acetylene, hydrogen peroxide
Cumene hydroperoxide Acids (organic or inorganic)
Cyanides Acids
Flammable liquids Ammonium nitrate, chromic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens
Fluorine All other chemicals
Hydrocarbons (such as butane, propane, benzene) Fluorine, chlorine, bromine, chromic acid, sodium peroxide
Hydrocyanic acid Nitric acid, alkali
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)
Mercury Acetylene, fulminic acid, ammonia
Nitrates Acids
Nitric acid (concentrated) Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids and gases, copper, brass, any heavy metals
Nitrites Acids
Nitroparaffins Inorganic bases, amines
Oxalic acid Silver, mercury
Oxygen Oils, grease, hydrogen, flammable liquids, solids and gases
Perchloric acid Acetic anhydride bismuth and its alcohol, paper, wood, grease, oils
Peroxides, organic Acids (organic or mineral), avoid friction, store cold
Phosphorus (white) Air, oxygen, alkalies, 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, tartaric acid, ammonium compounds, fulminic acid
Sodium Carbon tetrachloride, carbon dioxide, water
Sodium nitrate 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 Reducing agents