Cas no 7782-77-6 (Nitrous acid)

Nitrous acid structure
Nitrous acid structure
Product Name:Nitrous acid
CAS No:7782-77-6
MF:HNO2
MW:47.0134398937225
CID:563825
PubChem ID:24529
Update Time:2025-04-19

Nitrous acid Chemical and Physical Properties

Names and Identifiers

    • Nitrous acid
    • Nitrous(III) acid
    • 2-AMinobenzaldehyde phenylhydrazone
    • dioxonitric acid
    • EINECS 231-963-7
    • HNO2
    • hydrogen nitryl
    • Kyselina dusite
    • Kyselina dusite [Czech]
    • Nitrin
    • Nitrosyl hydroxide
    • DB09112
    • hydroxidooxidonitrogen
    • hydrogen dioxonitrate(1-)
    • DTXSID7064813
    • [NO(OH)]
    • Acid, Nitrous
    • Nitrous acid, trans
    • DTXCID4048014
    • CHEBI:25567
    • C00088
    • HONO
    • CHEMBL1161681
    • HSDB 7801
    • Nitrogen peroxide ion
    • NS00076377
    • Nitrogen dioxide ion
    • BDBM50147619
    • (NO(OH))
    • Q207895
    • T2I5UM75DN
    • BLNWTAHYTCHDJH-UHFFFAOYSA-N
    • NITROUSACID
    • 7782-77-6
    • NITROUS ACID [MI]
    • UNII-T2I5UM75DN
    • Q211891
    • Inchi: 1S/HNO2/c2-1-3/h(H,2,3)
    • InChI Key: IOVCWXUNBOPUCH-UHFFFAOYSA-N
    • SMILES: ON=O

Computed Properties

  • Exact Mass: 47.00070
  • Monoisotopic Mass: 47.000728
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 3
  • Rotatable Bond Count: 0
  • Complexity: 10.3
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: -0.3
  • Topological Polar Surface Area: 49.7

Experimental Properties

  • PSA: 49.66000
  • LogP: 0.14200
  • pka: pK (25°) 3.35

Nitrous acid Production Method

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