1-Butyne

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1-Butyne
Full displayed formula
Space-filling model
Names
IUPAC name
but-1-yne
Other names
But-1-yne
Ethylacetylene
Ethylethyne
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.003.139
EC Number 203-451-3
UNII
UN number 2452
Properties[1]
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 The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)The gas-cylinder pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word Danger
H220, H280
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).
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Infobox references

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]

See also[edit]

References[edit]

  1. ^ 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[edit]