Download Incompatible Material

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C a l i f o r
Chemical Safety
Update
i t y o f
Environmental
Environmental
Health
Health
and
and
Safety
Safety
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INCOMPATIBLE MATERIAL
Certain combinations of chemicals are explosive, poisonous, or extremely hazardous in some way. Most
chemicals are listed on the Material Safety Data Sheet (MSDS) in the following manner:
Chemicals which are listed in different chemical classes must NEVER be stored together. The following list is
a sample of some of the more hazardous combinations.
Do Not Contact:
With Any of the Following:
Alkali Metals:
Calcium [Ca]
Potassium [K]
Sodium [Na]
Carbon Dioxide [CO2]
Carbon Tetrachloride [CCl 4]
Other Chlorinated Hydrocarbons
Water [H2O]
Acetic Acid [H3C-COOH]
Chromic Acid [CrO3]
Ethylene Glycol [HOCH2CH2OH]
Nitric Acid [HNO3]
[OH]-Containing Compounds
Acetone [H3C-CO-CH3]
Concentrated Sulfuric Acid [H2SO4]
Nitric Acid [HNO3]
Acetylene [C2H 2]
Copper Tubing [Cu]
Mercury [Hg] or its Compounds
Silver [Ag]
Ammonia-Anhydrous [NH3]
Calcium Hypochlorite [Ca(OCl)2]
Mercury [Hg]
Ammonium Nitrate
[NH3NO3]
Acids
Chlorates [ClO3]
Finely Divided Organics
Flammable Liquids
Metal Powders
Nitrates [NO3]
Sulfur [S]
Other Combustibles
Chlorates [ClO3]
Ammonia Salts
Acids
Carbon [C]
Finely Divided Organics
Metal Powders
Sulfur [S]
Other
Combustibles
Chromic Acid [CrCO3]
Acetic Acid [H3C-COOH]
Alcohols [R-OH]
Glycerine [C3H5(OH)3]
Naphtahlene [C10H8]
Other Flammable Liquids
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Perchloric Acid [HClO4]
Peroxides [O2]
Permanganates [MnO4]
Rev. 8/1/96
a
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Do Not Contact:
Cyanide [CN]
Hydrogen Peroxide [H2O2]
With Any of the Following:
Acids
Aniline [C6H 8-NH2]
Chromium [Cr]
Copper [Cu]
Iron [Fe]
Nitromethane [CH3NO2]
Hydrogen Sulfide [H2S]
Nitric Acid [HNO3]
Oxidizing Gases
Hydrocarbons
Bromic Acid [HBrO3]
Sodium Peroxide [Na2O2]
Mercury [Hg]
Flammable Liquids
Most Metals and Their Salts
Acetylene [C2H2]
Hydrogen Sulfide [H 2S]
Flammable Gases and Liquids
Substances Readily Nitrated
Nitric Acid [HNO3]
Acetic Acid [H3C-COOH]
Carbon [C]
Chromic Acid [CrCO3]
Perchloric Acid [HClO4]
Acetic Anhydride
Alcohols [R-OH]
Paper
Wood
Other Organic Materials
Potassium Permanganate
[KMnO4]
Benzaldehyde [C7H10O]
Ethylene Glycol [HOCH2CH2OH]
Glycerine [C3H5(OH)3]
Sulfuric Acid [H2SO4]
Sodium Peroxide [Na2O2]
Oxidizable Substances:
Carbon Disulfide [CS2]
Ethylene Glycol [HOCH2CH2OH]
Glacial Acetic Acid [CH3COOH]
Glycerine [C3H5(OH)3]
Methanol [H3COH]
Sulfuric Acid [H2SO4]
Chlorates [ClO3]
Perchlorates [ClO4]
Permanganates [MnO4]
Water [H2O]
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Rev. 8/1/96