1683. Calcium Nitrite

Nomenclature

CAS number: 13780-06-8
CaN2O4; mol wt 132.09.
Ca 30.34%, N 21.21%, O 48.45%.
Ca(NO2)2.

Description and references

Prepd by reaction of nitric oxide with a mixture of calcium ferrate(III) and calcium nitrate: Ray, Ogg, Jr., J. Am. Chem. Soc. 79, 265 (1957).

Properties

White or yellowish, deliquesc, hexagonal crystals. d 2.23. Freely sol in water; slightly sol in alc. Keep well closed.

Use

Corrosion inhibitor in lubricants, concrete.