Ethynol

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Not to be confused with ethanol or Vinyl alcohol.
Ethynol
Structural formula of ethynol
Structural formula of ethynol
Spacefill model of ethynol
Spacefill model of ethynol
Names
Systematic IUPAC name
Ethynol[1]
Other names
Ynol, ethynyl alcohol, hydroxyacetylene
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C2H2O/c1-2-3/h1,3H ☒N
    Key: QFXZANXYUCUTQH-UHFFFAOYSA-N ☒N
  • OC#C
  • C#CO
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
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).
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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

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. Bibcode:1990AngCh.102..454H. 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. Bibcode:1989AngCh.101..183H. doi:10.1002/ange.19891010209.


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