Chemicals listed should not be stored together with the others.

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Acetic acid – Chromic acid, nitric acid, hydroxyl compounds, ethylene glycol, perchloric acid, peroxides, permanganates
Acetic anhydride – Hydroxyl-containing compounds such as ethylene glycol, perchloric acid
Acetone – Concentrated nitric and sulfuric acid mixtures, hydrogen peroxide
Acetylene – Chlorine, bromine, copper, fluorine, silver, mercury
Alkali and alkaline earth metals such as powdered magnesium, sodium, potassium – Water, carbon tetrachloride or other chlorinated hydrocarbons, carbon dioxide, halogens
Ammonia (anhydrous) – Mercury, halogens, calcium hypochlorite, hydrofluoric acid
Ammonium nitrate – Acids, metal powders, flammable liquids, chlorates, nitrites, sulfur, finely divided organic or combustible materials
Aniline – Nitric acid, hydrogen peroxide
Arsenical materials – Any reducing agent
Azides – Acids, heavy metals and their salts, oxidizing agents
Calcium oxide – Water
Carbon, activated – All oxidizing agents, calcium hypochlorite
Carbon tetrachloride – Sodium
Chlorates – Ammonium salts, acids, metal powders, sulfur, finely divided organic or combustible material
Chlorine dioxide – Ammonia, methane, phosphine, hydrogen sulfide
Chromic acid and chromium trioxide – Acetic acid, alcohol, camphor, glycerol, naphthalene, flammable liquids in general
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, other oxidizing agents
Fluorine – All other chemicals
Hydrides – Water
Hydrocarbons (e.g., butane, propane, benzene) – Fluorine, chlorine, bromine, chromic acid, peroxides
Hydrocyanic acid – Nitric acid, alkalis
Hydrofluoric acid (anhydrous) – Ammonia (aqueous or anhydrous)
Hydrogen peroxide – Copper, chromium, iron, most metals or their salts, any flammable liquid (i.e., alcohols, acetone), combustible materials, aniline, nitromethane
Hydrogen sulfide – Fuming nitric acid, oxidizing gases
Hypochlorites – Acids, activated carbon
Iodine – Acetylene, ammonia (aqueous or anhydrous), hydrogen
Mercury – Acetylene, fulminic acid, ammonia
Metal hydrides – Acids, water
Nitrates – Acids
Nitric acid (concentrated) – Acetic acid, acetone, alcohol, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases, copper, brass, any heavy metals
Nitrites – Acids
Nitroparaffins – Inorganic bases, amines
Oxalic acid – Mercury and silver and their salts
Oxygen – Oils, grease, hydrogen; flammable liquids, solids, or gases
Perchloric acid – Acetic anhydride, alcohol, bismuth, paper, wood, grease, oils
Permanganates – Concentrated sulfuric acid, glycerol, ethylene glycol, benzaldehyde
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, ammonium salts, metal powders, sulfur, finely divided organics, combustibles
Potassium perchlorate (see also chlorates) – Sulfuric and other acids
Potassium permanganate – Glycerol, ethylene glycol, benzaldehyde, sulfuric acid
Silver and silver salts – Acetylene, oxalic acid, tartaric acid, ammonium compounds, fulminic acid
Sodium – Carbon tetrachloride, carbon dioxide, other chlorinated hydrocarbons, 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 – Chlorates, perchlorates, permanganates