Common Laboratory Chemicals That Should NOT Be …
[Pages:4]Common Laboratory Chemicals That Should NOT Be Stored Together
Chemical(s)
Acetic acid
Acetic anhydride
Acetone Acetylene Alkali and alkaline earth metals such as powdered magnesium, sodium, potassium Ammonia (anhydrous) Ammonium nitrate
Aniline Arsenical materials Azides Calcium oxide Carbon, activated Carbon tetrachloride Chlorates
Never Store With or Around*
Chromic acid, nitric acid, hydroxyl compounds, ethylene glycol, perchloric acid, peroxides, permanganates Hydroxyl-containing compounds such as ethylene glycol, perchloric acid Concentrated nitric and sulfuric acid mixtures, hydrogen peroxide Chlorine, bromine, copper, fluorine, silver, mercury Water, carbon tetrachloride or other chlorinated hydrocarbons, carbon dioxide, halogens
Mercury, halogens, calcium hypochlorite, hydrofluoric acid Acids, metal powders, flammable liquids, chlorates, nitrites, sulfur, finely divided organic or combustible materials Nitric acid, hydrogen peroxide Any reducing agent Acids, heavy metals and their salts, oxidizing agents Water All oxidizing agents, calcium hypochlorite Sodium Ammonium salts, acids, metal powders, sulfur, finely divided organic or combustible material
Chemical Safety Job Aid
Page 1
Last Updated: 05/30/2013
Common Laboratory Chemicals That Should NOT Be Stored Together
Chemical(s)
Never Store With or Around*
Chlorine dioxide
Ammonia, methane, phosphine, hydrogen sulfide
Chromic acid and chromium Acetic acid, alcohol, camphor, glycerol, naphthalene, flammable
trioxide
liquids in general
Copper Cumene hydroperoxide Cyanides Flammable liquids
Fluorine Hydrides
Acetylene, hydrogen peroxide Acids (organic or inorganic) Acids Ammonium nitrate, chromic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens, other oxidizing agents All other chemicals 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 Hydrogen sulfide
Copper, chromium, iron, most metals or their salts, any flammable liquid (i.e., alcohols, acetone), combustible materials, aniline, nitromethane
Fuming nitric acid, oxidizing gases
Hypochlorites Iodine Mercury
Acids, activated carbon Acetylene, ammonia (aqueous or anhydrous), hydrogen Acetylene, fulminic acid, ammonia
Metal hydrides
Acids, water
Chemical Safety Job Aid
Page 2
Last Updated: 05/30/2013
Common Laboratory Chemicals That Should NOT Be Stored Together
Chemical(s)
Never Store With or Around*
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
Chemical Safety Job Aid
Page 3
Last Updated: 05/30/2013
Common Laboratory Chemicals That Should NOT Be Stored Together
Chemical(s)
Sodium nitrate Sodium peroxide
Sulfides Sulfuric acid
Never Store With or Around*
Ammonium nitrate and other ammonium salts
Ethyl or methyl alcohol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide glycerin, ethylene glycol, ethyl acetate, methyl acetate, furfural
Acids
Chlorates, perchlorates, permanganates
Adapted from Prudent Practices in the Laboratory: Handling and Disposal of Chemicals, National Research Council, 1995, with additions from OHS.
This information is from the Environment, Health, and Safety Online website (EHSO). We wish to give them, and the National Research Council, full credit and our thanks for this information.
*Read the chemical label or the SDS if you have questions or call OH&S.
Chemical Safety Job Aid
Page 4
Last Updated: 05/30/2013
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