Dihydroxymethylidene

Dihydroxymethylidene
Ball and stick model of dihydroxymethylidene
  Carbon, C
  Hydrogen, H
  Oxygen, O
Names
IUPAC name
  • Carbon(II) hydroxide
  • Carbon dihydroxide
  • Carbonous hydroxide
Preferred IUPAC name
Dihydroxymethylidene
Other names
  • Carbonic(II) acid
  • Carbonous acid
  • Dihydroxycarbene
  • Dihydroxymethylene
  • Dihydroxycarbon(2•)
Identifiers
3D model (JSmol)
ChemSpider
MeSH Dihydroxycarbene
  • InChI=1S/CH2O2/c2-1-3/h2-3H Y
    Key: VZOMUUKAVRPMBY-UHFFFAOYSA-N Y
  • O[C]O
Properties
C(OH)2
Molar mass 46.025 g·mol−1
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Dihydroxymethylidene or carbonous acid is a chemical compound with formula C(OH)2. It is an unstable tautomer of formic acid. There is no evidence that this compound exists in solution, but the molecule has been detected in the gas phase. Many related carbenes are known, although they are often transient.

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