Calcium nitrite

Calcium nitrite
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.008 Edit this at Wikidata
EC Number
  • 237-424-2
UNII
  • InChI=1S/Ca.2HNO2/c;2*2-1-3/h;2*(H,2,3)/q+2;;/p-2
    Key: AONJRPXZCVADKF-UHFFFAOYSA-L
  • N(=O)[O-].N(=O)[O-].[Ca+2]
Properties
Ca(NO
2
)
2
Density 2.26 g/cm3
Melting point 390 °C (734 °F; 663 K)
Hazards
GHS labelling:
GHS03: OxidizingGHS06: ToxicGHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Danger
H272, H301, H302, H311, H319, H340, H361, H371, H372, H373, H410
P201, P202, P210, P220, P221, P260, P264, P270, P273, P280, P281, P301+P310, P301+P312, P302+P352, P305+P351+P338, P308+P313, P309+P311, P312, P314, P321, P322, P330, P337+P313, P361, P363, P370+P378, P391, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Calcium nitrite is an inorganic compound with the chemical formula Ca(NO
2
)
2
. In this compound, as in all nitrites, nitrogen is in a +3 oxidation state. It has many applications such as antifreeze, rust inhibitor of steel and wash heavy oil.[1]

  1. ^ "Calcium nitrite". Retrieved 6 October 2012.