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			{{Distinguish|ethanol|Vinyl alcohol}}
	{{chembox
			{{Chembox
	| Name = Ethynol
			| Verifiedfields = changed
	| ImageFile = Ethynol.svg
			| Watchedfields = changed
	| ImageSize =
			| verifiedrevid = 406159855
	| ImageName = Structural formula of ethynol
	| ImageFile1 = Ethynol-3D-vdW.png		| ImageFileL1 = Ethynol.svg
			| ImageFileL1_Ref = {{chemboximage|correct|??}}
	| ImageName1 = Ball-and-stick model
			| ImageNameL1 = Structural formula of ethynol
	| IUPACName = Ethynol
	| SystematicName = Ethynol		| ImageFileR1 = Ethynol-3D-vdW.png
			| ImageFileR1_Ref = {{chemboximage|correct|??}}
	| OtherNames = Ynol
			| ImageNameR1 = Spacefill model of ethynol
	| Section1 = {{Chembox Identifiers
			| SystematicName = Ethynol<ref>{{cite web|url= https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=123441|title= Ethynol|work= The PubChem Project|location= USA|publisher= National Center for Biotechnology Information}}</ref>
	| Abbreviations =
			| OtherNames = Ynol, ethynyl alcohol, hydroxyacetylene
	| CASNo = 32038-79-2
			|Section1={{Chembox Identifiers
	| CASNo_Ref =
			| CASNo = 32038-79-2
	| CASNos =
			| CASNo_Ref = {{cascite|correct|??}}
	| CASOther =
	| PubChem = 123441		| PubChem = 123441
	| SMILES = C#CO		| ChemSpiderID = 110037
			| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
	| InChI = InChI=1S/C2H2O/c1-2-3/h1,3H
			| SMILES = OC#C
	| Beilstein =
			| SMILES1 = C#CO
	| Gmelin =
			| StdInChI = 1S/C2H2O/c1-2-3/h1,3H
	| ChemSpiderID =
			| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
	| 3DMet =}}
			| StdInChIKey = QFXZANXYUCUTQH-UHFFFAOYSA-N
	| Section2 = {{Chembox Properties
			| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
	| Formula = ]<sub>2</sub>]<sub>2</sub>]
	| MolarMass = 42.0367 g/mol
	| Appearance =
	| Density =
	| MeltingPt =
	| Melting_notes =
	| BoilingPt =
	| Boiling_notes =
	| Solubility =
	| SolubleOther =
	| Solvent =
	| LogP =
	| VaporPressure =
	| HenryConstant =
	| AtmosphericOHRateConstant =
	| pKa =
	| pKb = }}
	| Section3 = {{Chembox Structure
	| CrystalStruct =
	| Coordination =
	| MolShape = }}
	| Section4 = {{Chembox Thermochemistry
	| DeltaHf = 41.6 ]/]
	| DeltaHc =
	| Entropy =
	| HeatCapacity = }}
	| Section5 = {{Chembox Pharmacology
	| AdminRoutes =
	| Bioavail =
	| Metabolism =
	| HalfLife =
	| ProteinBound =
	| Excretion =
	| Legal_status =
	| Legal_US =
	| Legal_UK =
	| Legal_AU =
	| Legal_CA =
	| PregCat =
	| PregCat_AU =
	| PregCat_US = }}
	| Section6 = {{Chembox Explosive
	| ShockSens =
	| FrictionSens =
	| ExplosiveV =
	| REFactor = }}
	| Section7 = {{Chembox Hazards
	| ExternalMSDS =
	| EUClass =
	| EUIndex =
	| MainHazards =
	| NFPA-H =
	| NFPA-F =
	| NFPA-R =
	| NFPA-O =
	| RPhrases =
	| SPhrases =
	| RSPhrases =
	| FlashPt =
	| Autoignition =
	| ExploLimits =
	| LD50 =
	| PEL = }}
	| Section8 = {{Chembox Related
	| OtherAnions =
	| OtherCations =
	| OtherFunctn =
	| Function =
	| OtherCpds = }}
	}}		}}
			|Section2={{Chembox Properties
			| C=2 | H=2 | O=1
			| Appearance =
			| Density = 0.981 g·cm<sup>−3</sup>
			| MeltingPt =
			| BoilingPtC = 77.1
			| BoilingPt_notes = @ 760mmHg
			| Solubility =
			}}
			|Section3={{Chembox Hazards
			| MainHazards =
			| FlashPtC = 14.7
			| AutoignitionPtC =
			}}
			|Section4={{Chembox Thermochemistry
			| DeltaHf = 41.6 kJ mol<sup>−1</sup>
			}}
			| Section5 = {{Chembox Related
			| OtherCompounds = ]
			}}
			}}
			'''Ethynol''' (or '''hydroxyacetylene''', '''ethynyl alcohol''') is an ]–] (]) with the ] C<sub>2</sub>H<sub>2</sub>O. It is the much-less-stable ] of ].
			At low temperature in a ] it is possible to tautomerise ethenone to form ethynol.<ref>{{cite journal |doi= 10.1002/ange.19901020438 |title= Reversible Photoisomerisierung von Keten zu Ethinol |year= 1990 |last1= Hochstrasser |first1= Remo |last2= Wirz |first2= Jakob |journal= Angewandte Chemie |volume= 102 |pages= 454 |issue= 4|bibcode= 1990AngCh.102..454H }}</ref><ref>{{cite journal |doi= 10.1002/ange.19891010209 |title= Ethinol: Photochemische Erzeugung in einer Argonmatrix, IR-Spektrum und Photoisomerisierung zu Keten |year= 1989 |last1= Hochstrasser |first1= Remo |last2= Wirz |first2= Jakob |journal= Angewandte Chemie |volume= 101 |pages= 183 |issue= 2|bibcode= 1989AngCh.101..183H }}</ref>
	'''Ethynol''' is an ] with the ] C<sub>2</sub>H<sub>2</sub>O. It is the much less stable ] of ].
	At low temperature in a ] it is possible to isomerize ethenone to form ethynol.<ref>{{cite journal | doi = 10.1002/ange.19901020438 | title = Reversible Photoisomerisierung von Keten zu Ethinol | year = 1990 | last1 = Hochstrasser | first1 = Remo | last2 = Wirz | first2 = Jakob | journal = Angewandte Chemie | volume = 102 | pages = 454}}</ref><ref>{{cite journal | doi =10.1002/ange.19891010209 | title =Ethinol: Photochemische Erzeugung in einer Argonmatrix, IR-Spektrum und Photoisomerisierung zu Keten | year =1989 | last1 =Hochstrasser | first1 =Remo | last2 =Wirz | first2 =Jakob | journal =Angewandte Chemie | volume =101 | pages =183}}</ref>
	==See also==		==See also==
	*] (ethyl alcohol)		*] (ethyl alcohol)
	*] (vinyl alcohol)		*] (vinyl alcohol)
			*]
	==References==		==References==
	{{Reflist}}		{{Reflist}}
			]
	{{iw-ref|sv|Etynol|2009-12-16|oldid=http://sv.wikipedia.org/search/?title=Etynol&oldid=10690839}}
	{{organic-chem-stub}}
	]
			{{Alcohol-stub}}
	]
	]
	]
	]