2-Hexyne

2-Hexyne
Names
	Preferred IUPAC name Hex-2-yne
Identifiers
CAS Number	764-35-2;
3D model (JSmol)	Interactive image;
ChemSpider	31016;
ECHA InfoCard	100.011.015
EC Number	212-117-6;
PubChem CID	33629;
UNII	EC0WA2IXU7;
CompTox Dashboard (EPA)	DTXSID9074725 ;
	InChI InChI=1S/C6H10/c1-3-5-6-4-2/h3,5H2,1-2H3 Key: MELUCTCJOARQQG-UHFFFAOYSA-N;
	SMILES CCCC#CC;
Properties
Chemical formula	C6H10
Molar mass	82.146 g·mol−1
Density	0.7317
Melting point	−88 °C (−126 °F; 185 K)
Boiling point	83.8 °C (182.8 °F; 356.9 K)
Refractive index (nD)	1.4135
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H304, H315, H319
Precautionary statements	P210, P233, P240, P241, P242, P243, P264, P280, P301+P310, P302+P352, P303+P361+P353, P305+P351+P338, P321, P331, P332+P313, P337+P313, P362, P370+P378, P403+P235, P405, P501
Related compounds
Related compounds	3-Hexyne, 1-Hexyne
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Hexyne is an organic compound that belongs to the alkyne group. Just like its isomers, it also has the chemical formula of C₆H₁₀.