Tags: Chemical Compound, Chemical Substance.
Sodium phosphide Na3P is a black ionic salt containing the alkali metal sodium and the phosphide anion. Na3P is a source of the highly reactive phosphide anion. It should not be confused with sodium phosphate Na3PO4.In addition to Na3P five other binary compositions of sodium and phosphorus are known: NaP Na3P7 Na3P11 NaP7 and NaP15.