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2-Butyne

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Dimethylacetylene[1][2]
Structural formula
Ball-and-stick model
Names
IUPAC name
2-Butyne
Other names
Dimethylacetylene
Crotonylene
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.007.239 Edit this at Wikidata
  • InChI=1S/C4H6/c1-3-4-2/h1-2H3 checkY
    Key: XNMQEEKYCVKGBD-UHFFFAOYSA-N checkY
  • InChI=1/C4H6/c1-3-4-2/h1-2H3
    Key: XNMQEEKYCVKGBD-UHFFFAOYAO
  • C(#CC)C
Properties
C4H6
Molar mass 54.0904 g/mol
Density 0.691 g/mL
Melting point −32 °C (−26 °F; 241 K)
Boiling point 27 °C (81 °F; 300 K)
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 ?)

Dimethylacetylene (crotonylene or 2-butyne) is an alkyne with chemical formula CH3C≡CCH3. Produced artificially, it is a colorless, volatile, pungent liquid at standard temperature and pressure.

See also

References

  1. ^ 2-Butyne at Sigma-Aldrich
  2. ^ NIST Chemistry WebBook page for 2-butyne



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