Phenylacetylene

Phenylacetylene
Names
	Preferred IUPAC name Ethynylbenzene
	Other names Phenylacetylene
Identifiers
CAS Number	536-74-3 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL234833 ;
ChemSpider	10364 ;
ECHA InfoCard	100.007.861
PubChem CID	10821;
UNII	239WSR2IBO ;
CompTox Dashboard (EPA)	DTXSID1060211 ;
	InChI InChI=1S/C8H6/c1-2-8-6-4-3-5-7-8/h1,3-7H Key: UEXCJVNBTNXOEH-UHFFFAOYSA-N ; InChI=1/C8H6/c1-2-8-6-4-3-5-7-8/h1,3-7H Key: UEXCJVNBTNXOEH-UHFFFAOYAC;
	SMILES C#Cc1ccccc1;
Properties
Chemical formula	C8H6
Molar mass	102.133 g/mol
Density	0.93 g/cm3
Melting point	−45 °C (−49 °F; 228 K)
Boiling point	142 to 144 °C (288 to 291 °F; 415 to 417 K)
Acidity (pKa)	28.7 (DMSO), ; 23.2 (aq, extrapolated)
Magnetic susceptibility (χ)	−72.01·10−6 cm3/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Phenylacetylene is an alkyne hydrocarbon containing a phenyl group. It exists as a colorless, viscous liquid. In research, it is sometimes used as an analog for acetylene; being a liquid, it is easier to handle than acetylene gas.