Ethynol

Ethynol
Names
Systematic IUPAC name
Ethynol[1]
Other names
Ynol, ethynylalcohol, hydroxyacetylene
Identifiers
32038-79-2 Yes
ChemSpider 110037 
Jmol-3D images Image
Image
PubChem 123441
Properties
Molecular formula
C2H2O
Molar mass 42.04 g·mol−1
Density 0.981g/cm
Boiling point 77.1 °C (170.8 °F; 350.2 K) @ 760mmHg
Hazards
Flash point 14.7 °C (58.5 °F; 287.8 K)
Thermochemistry
Std enthalpy of
formation (ΔfHo298)
41.6 kJ mol−1
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Ethynol is an alcohol (ynol) with the formula C2H2O. It is the much less stable tautomer of ethenone.

At low temperature in a solid argon matrix it is possible to isomerize ethenone to form ethynol.[2][3]

See also

References

  1. "Ethynol". The PubChem Project. USA: National Center for Biotechnology Information.
  2. Hochstrasser, Remo; Wirz, Jakob (1990). "Reversible Photoisomerisierung von Keten zu Ethinol". Angewandte Chemie 102 (4): 454. doi:10.1002/ange.19901020438.
  3. Hochstrasser, Remo; Wirz, Jakob (1989). "Ethinol: Photochemische Erzeugung in einer Argonmatrix, IR-Spektrum und Photoisomerisierung zu Keten". Angewandte Chemie 101 (2): 183. doi:10.1002/ange.19891010209.