Zinc phosphide (Zn3P2) is an inorganic chemical compound. ==Reactions== Zinc phosphide can be prepared by the reaction of zinc with phosphorus; however, for critical applications, additional processing to remove arsenic compounds may be needed. Zinc phosphide will react with water to produce phosphine (PH3) and zinc hydroxide (Zn(OH)2): ==Rodentic... Found on http://en.wikipedia.org/wiki/Zinc_phosphide