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EH&S recommends segregating acids and bases from each other and storing them in dedicated corrosive cabinets. These can be the cabinets under the fume hoods in laboratories, cabinets in the lab, or manufactured cabinets purchased from a laboratory supply company.

Caution should be used when using corrosive chemicals to prevent them from coming in contact with skin, other chemicals, or materials. Personal protective equipment like compatible gloves, lab coats, and closed toe shoes should be worn while handling corrosive chemicals. Laboratory surfaces should be cleaned after being contaminated with corrosive chemicals.

Inorganic acids (mineral acids) are derived from chemical reactions from inorganic minerals. These acids should be stored in a corrosive cabinet separate from organic acids.

Inorganic acids/mineral acids Do Not Store With

Hydrochloric
Hydrobromic
Boric
Perchloric
Sulfuric
Phosphoric
Nitric
Hydrofluoric acids

Acetic acid
Chromic acid
Hydrocyanic acids
Aniline
Carbon
Hydrogen sulfide
Flammable liquids or gases

Oxidizing acids are highly reactive with most substances and other oxidizing acids. These acids can be stored in the same cabinet with either organic or inorganic acids providing that they be placed inside of secondary containers and are of small quantities (i.e. 1 to 2 bottles only).

Oxidizing acids Do Not Store With

Nitric acid
Sulfuric acid
Phosphoric acid
Perchloric acid
Chromic acids

Acetic acid
Acetone
Alcohol
Anline
Hydrogen sulfide
Flammable liquids and gases
Heavy metals

Organic acids are organic compounds with acidic properties. These corrosives should be stored in the corrosive cabinet separate from inorganic acids.

Organic acids Do Not Store With

Acetic
Formic
Citric
Oxalic acids

Chromic acid
Nitric acid
Hydroxyl containing compounds
Ethylene glycol
Perchloric acid
Peroxide
Permanganates

NOTE: This list is not a complete list of incompatible materials. It contains some of the more common incompatible materials. Always research the materials you work with in order to be safe.


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