1-Butyne

1-Butyne
Names
	IUPAC name but-1-yne
	Other names But-1-yne; Ethylacetylene; Ethylethyne
Identifiers
CAS Number	107-00-6 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:48087 ;
ChemSpider	7558 ;
ECHA InfoCard	100.003.139
EC Number	203-451-3;
PubChem CID	7846;
UNII	A6B47CPN6W ;
UN number	2452
CompTox Dashboard (EPA)	DTXSID4029141 ;
	InChI InChI=1S/C4H6/c1-3-4-2/h1H,4H2,2H3 Key: KDKYADYSIPSCCQ-UHFFFAOYSA-N ; InChI=1/C4H6/c1-3-4-2/h1H,4H2,2H3 Key: KDKYADYSIPSCCQ-UHFFFAOYAI;
	SMILES C#CCC;
Properties
Chemical formula	C4H6
Molar mass	54.091 g/mol
Density	0.6783 g cm−3
Melting point	−125.7 °C (−194.3 °F; 147.5 K)
Boiling point	8.08 °C (46.54 °F; 281.23 K)
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H220, H280
GHS precautionary statements	P210, P377, P381, P403, P403
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

1-Butyne, also known as ethylacetylene, but-1-yne, ethylethyne, and UN 2452, is an extremely flammable and reactive alkyne with chemical formula C₄H₆ and CAS number 107-00-6 that is used in the synthesis of organic compounds. It occurs as a colorless gas.^[1]

References

^ ^a ^b ^c ^d ^e Lide, David R. (2008). CRC Handbook of Chemistry and Physics, 89th Edition. CRC Press. pp. 3–84. ISBN 978-0-8493-0488-0.

External links

NIST Chemistry WebBook page for 1-butyne

[CRC-1] Lide, David R. (2008). CRC Handbook of Chemistry and Physics, 89th Edition. CRC Press. pp. 3–84. ISBN 978-0-8493-0488-0.

[1]

Names
${\ce {H-C#C}}{-}{\ce {\overset {\displaystyle {H} \atop \|}{\underset {\| \atop \displaystyle {H}}{C}}}}{-}{\ce {\overset {\displaystyle {H} \atop \|}{\underset {\| \atop \displaystyle {H}}{C}}}}{\ce {-H}}$


IUPAC name but-1-yne
Other names But-1-yne Ethylacetylene Ethylethyne
Identifiers
CAS Number	107-00-6
3D model (JSmol)	Interactive image
ChEBI	CHEBI:48087
ChemSpider	7558
ECHA InfoCard	100.003.139
EC Number	203-451-3
PubChem CID	7846
UNII	A6B47CPN6W
UN number	2452
CompTox Dashboard (EPA)	DTXSID4029141
InChI InChI=1S/C4H6/c1-3-4-2/h1H,4H2,2H3 Key: KDKYADYSIPSCCQ-UHFFFAOYSA-N InChI=1/C4H6/c1-3-4-2/h1H,4H2,2H3 Key: KDKYADYSIPSCCQ-UHFFFAOYAI
SMILES C#CCC
Properties^[1]
Chemical formula	C₄H₆
Molar mass	54.091 g/mol
Density	0.6783 g cm⁻³^[1]
Melting point	−125.7 °C (−194.3 °F; 147.5 K)^[1]
Boiling point	8.08 °C (46.54 °F; 281.23 K)^[1]
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H220, H280
GHS precautionary statements	P210, P377, P381, P403, P403
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

1-Butyne

See also

References

External links