TheInfoListRev V5.1.84
Xfr/

Topic summary

Hyponitrous acid

Hyponitrous acid
Names Preferred IUPAC name
Diazenediol
Systematic IUPAC name
N-(Hydroxyimino)hydroxylamine
Other names
Hyponitrous acid dimer
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
141300 KEGG
  • InChI=1S/H2N2O/c3-1-2-4/h(H,1,4)(H,2,3)
    Key: NFMHSPWHNQRFNR-UHFFFAOYSA-N
  • ON=NO
Properties H2N2O2Molar mass62.0282 g/mol Appearance white crystals Conjugate baseHyponitriteHazards Occupational safety and health (OHS/OSH):
Main hazards
explosive when dry
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Hyponitrous acid is a chemical compound with formula H
2N
2O
2 or HON=NOH. It is an isomer of nitramide, H2N−NO2, and a formal dimer of azanone, HNO.

Hyponitrous acid forms two series of salts, the hyponitrites containing the [ON=NO] anion and the "acid hyponitrites" containing the [HON=NO] anion.

Wikipedia source