1-Butyne

1-Butyne
Full displayed formula
Space-filling model
Names
Preferred IUPAC name
But-1-yne
Other names
Ethylacetylene
Ethylethyne
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.003.139 Edit this at Wikidata
EC Number
  • 203-451-3
UNII
UN number 2452
  • InChI=1S/C4H6/c1-3-4-2/h1H,4H2,2H3 checkY
    Key: KDKYADYSIPSCCQ-UHFFFAOYSA-N checkY
  • InChI=1/C4H6/c1-3-4-2/h1H,4H2,2H3
    Key: KDKYADYSIPSCCQ-UHFFFAOYAI
  • C#CCC
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 GHS02: FlammableGHS04: Compressed Gas
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).
checkY verify (what is checkY☒N ?)
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[]

References[]

  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[]