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A compound of phosphorus with valence -3, for example, sodium phosphide, Na3P.


A compound of phosphorus with valence -3, e.g., sodium phosphide, Na3P.


(fos'fid) [? + phorein, to carry]
A binary compound of phosphorus with an element or radical.

aluminum phosphide

A pesticide used to protect stored grains from insects and rodents. After exposure to water it is converted to hydrogen phosphide, a poison that inhibits cellular oxidative metabolism, esp. in metabolically active organs. It may be toxic or deadly to humans if ingested or inhaled. Its chemical formula is AlP.


There is no specific antidote. Cardiopulmonary support is given to intoxicated patients.

hydrogen phosphide

A poison that is released when phosphide pesticides react with water. It inhibits oxidative metabolism in cells and may be deadly if eaten or inhaled. Chemical formula is PH3. Synonym: phosphine

zinc phosphide

A toxic pesticide that releases hydrogen phosphide after exposure to water. Its chemical formula is Zn3P2.
References in periodicals archive ?
Although much ado has been made about the illegal sale of aluminum phosphide, other pesticides on the market may also be harmful - as well as perfectly legal.
Although diazinon is not as dangerous as aluminum phosphide, the United States banned its use in homes and home-gardens a few years ago because the fumes can be dangerous.
But for the time being the media seems focused on the more dangerous culprit: the odorless and deadly phosphine gas produced when water is added to aluminum phosphide tablets.