Ethynol
Appearance
| |||
Names | |||
---|---|---|---|
Systematic IUPAC name
Ethynol[1] | |||
Other names
Ynol, ethynylalcohol, hydroxyacetylene
| |||
Identifiers | |||
3D model (JSmol)
|
|||
ChemSpider | |||
PubChem CID
|
|||
CompTox Dashboard (EPA)
|
|||
| |||
| |||
Properties | |||
C2H2O | |||
Molar mass | 42.037 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 (ΔfH⦵298) |
41.6 kJ mol−1 | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Ethynol (or hydroxyacetylene) is an alkyne–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 tautaumerize ethenone to form ethynol.[2][3]
See also
- Ethanol (ethyl alcohol)
- Ethenol (vinyl alcohol)
- Acetylenediol
References
- ^ "Ethynol". The PubChem Project. USA: National Center for Biotechnology Information.
- ^ Hochstrasser, Remo; Wirz, Jakob (1990). "Reversible Photoisomerisierung von Keten zu Ethinol". Angewandte Chemie. 102 (4): 454. doi:10.1002/ange.19901020438.
- ^ 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.