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Chemical Appendix 4

 

Appendix 4 - Examples of Incompatible Chemicals

When transporting, storing, using, or disposing of any substance, utmost care must be exercised to ensure that the substance cannot accidentally come in contact with another with which it is incompatible. Such contact could result in a serious explosion or the formation of substances that are highly toxic or flammable or both. The following Table is a guide to avoiding accidents involving incompatible substances.

Examples of Incompatible Chemicals

CHEMICAL IS INCOMPATIBLE WITH

Acetic acid

Chromic acid, nitric acid, perchloric acid, peroxides, permanganates

Acetylene

Chlorine, bromine, copper, fluorine, silver, mercury

Acetone

Concentrated nitric acid 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 or inorganic)

Cyanides

Acids

Decaborane

Carbon tetrachloride and some other halogenated hydrocarbons

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 anhydrous)

Hydrogen peroxide

Copper, chromium, iron, most metals or their salts, 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

Phosphorous (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, tartaric 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, glycerine, 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

 

Chemical Hygiene Policy