Nitrous acid

CAS Registry Number®

7782-77-6
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CAS Name

Nitrous acid

Molecular Formula

HNO2

Molecular Mass

47.01

Cite this Page

Nitrous acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7782-77-6 (retrieved 2024-03-28) (CAS RN: 7782-77-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=IOVCWXUNBOPUCH-UHFFFAOYSA-N

SMILES

N(=O)O

Canonical SMILES

O=NO

Other Names for this Substance

  • Nitrous acid
  • Nitrosyl hydroxide
  • Nitrous acid (HNO2)
  • MeSH ID: D009608

Deleted or Replaced CAS Registry Numbers

17310-27-9, 62498-15-1, 62641-25-2, 78686-39-2, 81744-89-0, 88454-09-5, 2375630-68-3

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