Ethynol
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| Names | |||
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| Systematic IUPAC name
Ethynol[1] | |||
| Other names
Ynol, ethynyl alcohol, hydroxyacetylene
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| Identifiers | |||
3D model (JSmol)
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| ChemSpider | |||
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |||
| 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
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Propargyl alcohol | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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
[edit | edit source]- Ethanol (ethyl alcohol)
- Ethenol (vinyl alcohol)
- Acetylenediol
References
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