Hydrogen peroxide

Copper, chromium, iron, most metals or their salts, any flammable liquid, combustible materials, aniline, nitromethane

Hydrogen sulfide

Fuming nitric acid,a oxidizing gases


Acetylene, ammonia (anhydrous or aqueous)


Acetylene, fulminic acid,a ammonia

Nitric acid (concentrated)

Acetic acid, acetone, alcohol, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases, nitratable substances


Inorganic bases, amines

Oxalic acid

Silver and mercury and their salts


Oils, grease, hydrogen, flammable liquids, solids, gases

Perchloric acid

Acetic anhydride, bismuth and its alloys, alcohol, paper, wood, grease, oils (all organics)

Peroxides, organic

Acids (organic or mineral), (also avoid friction, store cold)

Phosphorus (white)

Air, oxygen

Phosphorus pentoxide

Alcohols, strong bases, water

Potassium chlorate

Acids (see also chlorates)

Potassium perchlorate

Acids (see also perchloric acid)

Potassium permanganate

Glycerol, ethylene glycol, benzaldehyde, sulfuric acid

Silver and silver salts

Acetylene, oxalic acid, tartaric acid, fulminic acid,a ammonium compounds


See alkali metals (above)

Sodium nitrite

Ammonium nitrate and other ammonium salts

Sodium peroxide

Any oxidizable substance, such as ethanol, methanol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerol, ethylene glycol, ethyl acetate, methyl acetate, furfural

Sulfuric acid

Chlorates, perchlorates, permanganates

a Produced in nitric acid-ethanol mixtures.

SOURCE: Reproduced, by permission, from Hazards in the Chemical Laboratory, 4th edition, L. Bretherick, Ed. (1986).

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