Ethynol
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Names | |||
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Systematic IUPAC name Ethynol[1] | |||
Other names Ynol, ethynyl alcohol, hydroxyacetylene | |||
Identifiers | |||
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InChI
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Properties | |||
Chemical formula | C2H2O | ||
Molar mass | 42.037 g·mol−1 | ||
Density | 0.981 g·cm-3 | ||
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 | ||
Related compounds | |||
Related compounds | Propargyl alcohol | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references |
Chemical compound
Ethynol (or hydroxyacetylene, ethynyl alcohol) 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 tautomerise 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. Bibcode:1990AngCh.102..454H. 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. Bibcode:1989AngCh.101..183H. doi:10.1002/ange.19891010209.
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