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| Chemical | 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 (e.g., in manometers), chlorine, calcium hypochlorite, iodine, bromine, hydrofluoric acid (anhydrous) | | Ammonium nitrate | Acids, powdered metals, flammable liquids, chlorates, nitrites, sulfur, finely divided organic 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 | | 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 | | 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, alkalis | | Hydrofluoric acid | Ammonia (aqueous or anhydrous) | | Hydrogen sulfide | Fuming nitric acid, oxidizing gases | | Hypochlorites | Acids, activated carbon | | Iodine | Acetylene, ammonia (aqueous or anhydrous), hydrogen | | 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 alloys, alcohols, 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 | Sulfuric and other acids | | 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 and methyl alcohol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerin, ethylene glycol, ethylacetate, 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 | Reference: Safety in Academic Chemistry Laboratories, Sixth Edition, American Chemical Society: Washington, D.C., 1995. |  | |
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