Pyrophoric

Definition - What does Pyrophoric mean?

Pyrophoric materials are substances that ignite instantly when exposed to oxygen. They can also have water-reactive properties, resulting in the production of heat and hydrogen (a flammable gas).

Pyrophoric materials can have other hazardous qualities, including:

Corrosivity
Teratogenicity
Organic peroxide formation
Damage to liver, kidneys, or central nervous system

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Safeopedia explains Pyrophoric

Examples of pyrophoric materials include:

Metal hydrides
Finely divided metal powders
Non-metal hydride
Alkyl compounds
White phosphorus
Alloys of reactive materials
Organometallic compounds (including alkyllithiums)

Safety equipment, including protective clothing, is required when coming in contact with pyrophoric materials. Fume hoods or cupboards must also be used to contain the noxious or flammable gases most pyrophoric materials release during reactions. Pyrophoric chemicals must be stored under an atmosphere of inert gas to ensure safety.