Title: Potassium Hypophosphite

CAS Registry Number: 7782-87-8

Molecular Formula: H2KO2P

Molecular Weight: 104.09

Percent Composition: H 1.94%, K 37.56%, O 30.74%, P 29.76%

Line Formula: KH2PO2

Properties: White crystals or granular, deliquesc powder. Odorless; pungent, saline taste. When strongly heated it dec with evolution of phosphine which ignites spontaneously in air. It explodes when triturated with chlorates or other oxidizing agents. One gram dissolves in 0.6 ml water, 9 ml alc, 5 ml boiling alc. The aq soln is neutral or slightly alkaline. Keep well closed.