Chemical Incompatibility Chart


Incompatible with these chemicals:

Acetic acid
Chromic acid, nitric acid, hydroxyl-containing compounds, ethylene glycol, perchloric acid, peroxides, and permanganates
Concentrated sulfuric mixtures and nitric acid mixtures
Copper (tubing), fluorine, bromine, chlorine, iodine, silver, mercury, and their compounds
Alkali metals: calcium, potassium and sodium, cesium, lithium
Water, carbon dioxide, carbon tetrachloride, and other chlorinated hydrocarbons
Ammonia, anhydrous
Mercury, halogens, calcium hypochlorite, hydrogen fluoride
Ammonium aitrate
Acids, metal powders, flammable liquids, chlorates, nitrates, sulfur, and finely divided organics or combustibles
Nitric acid and hydrogen peroxide
Ammonia, acetylene, butadiene, butane, hydrogen, sodium carbide, turpentine, and finely divided metals
Carbon activated with calcium hypochlorate
All oxidizing agents
Ammonium salts, acids, metal powders, sulfur, finely divided organics or combustibles, and carbon
Chromic acid
Acetic acid, naphthalene, camphor, alcohol, glycerol, turpentine, and other flammable liquids
Chlorine dioxide
Ammonia, methane, phosphine, and hydrogen sulfide
Ammonia, acetylene, butadiene, benzine, and other petroleum fractions, hydrogen, sodium carbide, turpentine, and finely divided powdered metals
Acetylene and hydrogen peroxide
Acids and alkalis
Flammable liquids
Ammonium nitrate, chromic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens, or oxidizing agents
Halogens: Fl, Cl Br, I
Ammonium, acetylene, and hydrocarbons
Hydrogen peroxide
Copper, chromium, iron, most metals or their respective salts, flammable fluids and other combustible materials, aniline, and nitromethane
Hydrogen sulfide
Fuming nitric acid and oxidizing gases
Hydrocarbons, general
Fluorine, chlorine, formine, chromic acid, sodium peroxide, and oxidizing agents
Acetylene and ammonia
Acetylene, fulminic acid, and hydrogen
Nitric acid
Acetic, chromic, and hydrocyanic acids; aniline, carbon, hydrogen sulfide; fluids or gases; substances that are readily nitrated
Oils; grease; hydrogen; flammable liquids, solids, and gases
Oxalic acid
Silver and mercury
Perchloric acid
Acetic anhydride, bismuth and its alloys, alcohol, paper, and wood and other organic materials
Phosphorus pentoxide
Potassium permanganate
Glycerol, ethylene glycol, benzaldehyde, and sulfuric acid
Acetylene, oxalic acid, tartaric acid, and ammonium compounds
Sodium azide
Preservative that forms unstable explosive compounds when exposed to lead, copper, and other metals. If disposed of by flushing into sinks, the trap can explode when worked on by a plumber.
Sodium peroxide
Any oxidizable substance (i.e., methanol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerol, ethylene glycol, ethyl acetate, and furfural)
Carbon tetrachloride, carbon dioxide, and water
Sulfuric acid
Chlorates, perchlorates, permanganates, oxidizing agents, and water

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