Title: Calcium Nitrite
CAS Registry Number: 13780-06-8
Molecular Formula: CaN2O4
Molecular Weight: 132.09
Percent Composition: Ca 30.34%, N 21.21%, O 48.45%
Line Formula: Ca(NO2)2
Literature 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.
Density: d 2.23
Use: Corrosion inhibitor in lubricants, concrete.