Sodium nitrite

CAS Registry Number®

7632-00-0
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CAS Name

Sodium nitrite

Molecular Formula

HNO2.Na

Cite this Page

Sodium nitrite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7632-00-0 (retrieved 2021-12-07) (CAS RN: 7632-00-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    271 °C
  • Density (1)

    2.26 g/cm3

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/HNO2.Na/c2-1-3;/h(H,2,3);

InChIKey

InChIKey=ZAOCWQZQPKGTRN-UHFFFAOYSA-N

SMILES

N(=O)O.[Na]

Canonical SMILES

[Na].O=NO

Other Names for this Substance

  • Nitrous acid, sodium salt (1:1)
  • Nitrous acid, sodium salt
  • Anti-Rust
  • Filmerine
  • Sodium nitrite

Deleted or Replaced CAS Registry Numbers

32863-15-3, 56227-20-4, 82497-43-6, 82998-40-1, 1992765-27-1