Ethylene dione

Ethylene dione or ethylenedione, also called dicarbon dioxide, Carbon peroxide, ethenedione, or ethene-1,2-dione, is a chemical compound with the formula C2O2 or O=C=C=O. It is an oxide of carbon (an oxocarbon), and can be described as the carbon-carbon covalent dimer of carbon monoxide. It can also be thought of as the dehydrated form of glyoxylic acid (H(C=O)COOH), or a ketone of ethenone H2C=C=O.

Not to be confused with Ethylene oxide.
Ethylene dione
Names
IUPAC name
Ethene-1,2-dione
Systematic IUPAC name
Ethenedione
Other names
    • Dicarbon dioxide
    • Dimeric carbon monoxide
    • Dimeric carbonous oxide
    • Dimeric carbon(II) oxide
    • Ethylenedione
    • Oxygen percarbide
Identifiers
3D model (JSmol)
ChemSpider
PubChem CID
UNII
  • InChI=1S/C2O2/c3-1-2-4
    Key: FONOSWYYBCBQGN-UHFFFAOYSA-N
SMILES
  • O=C=C=O
Properties
C2O2
Molar mass 56.020 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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