Title: Calcium Phosphide
CAS Registry Number: 1305-99-3
Molecular Formula: Ca3P2
Molecular Weight: 182.18
Percent Composition: Ca 66.00%, P 34.00%
Literature References: Prepn: Ehrlich in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 943.
Properties: Red-brown cryst powder or gray lumps. Dec by moist air or water, evolving spontaneously-flammable phosphine. d 2.51; mp ~1600°. Keep dry and tightly closed.
Melting point: mp ~1600°
Density: d 2.51
Use: For signal fires; in purification of Cu and Cu alloys; as rodenticide.