NCIt definition : A highly toxic phosphorus hydride that is formed naturally via the anaerobic decay
of phosphorus-containing organic matter or is prepared by an alkali metal hydroxide
or white phosphorus hydrolysis reaction. Phosphine is used in industrial processes,
in flame retardant production, and as a pesticide. It is characterized as a colorless
gas that is odorless when pure. Exposure occurs by inhalation, ingestion, or contact.;
Alternative definition : CDISC: The chemical agent phosphine.;