7661. Potassium Phosphite

Nomenclature

CAS number: 13492-26-7
HK2O3P; mol wt 158.18.
H 0.64%, K 49.44%, O 30.34%, P 19.58%.
K2HPO3.

Properties

White, deliquesc powder. Slowly oxidizes in the air to phosphate; dec by heat. Very sol in water; insol in alcohol. Keep well closed.