Potassium nitrite

CAS Registry Number®

7758-09-0
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CAS Name

Potassium nitrite

Molecular Formula

HNO2.K

Cite this Page

Potassium nitrite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=7758-09-0 (retrieved 2022-10-05) (CAS RN: 7758-09-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    441 °C (decomp)
  • Density (1)

    1.915 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/K.HNO2/c;2-1-3/h;(H,2,3)

InChIKey

InChIKey=LEMJDBDGPTVGML-UHFFFAOYSA-N

SMILES

N(=O)O.[K]

Canonical SMILES

[K].O=NO

Other Names for this Substance

  • Nitrous acid, potassium salt (1:1)
  • Nitrous acid, potassium salt
  • Potassium nitrite
  • Klear
  • E 249