1696. Calcium Phosphite

Nomenclature

CAS number: 21056-98-4
CaHO3P; mol wt 120.06.
Ca 33.38%, H 0.84%, O 39.98%, P 25.80%.
CaHPO3.

Description and references

Prepn: Gmelins, Calcium (8th ed.) 28B, 1121 (1958).

Derivative

Monohydrate.

Properties

Crystals. Loses water at 200°; dec above 300°. Slightly sol in water; practically insol in alcohol.

Use

Fertilizers; polymerization catalyst.