2-Butyne

CAS Registry Number®

503-17-3

CAS Name

2-Butyne

Molecular Formula

C4H6

Molecular Mass

54.09

Cite this Page

2-Butyne.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=503-17-3 (retrieved 2025-03-28) (CAS RN: 503-17-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    27 °C

  • Melting Point (2)

    -32.3 °C

  • Density (3)

    0.6906 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H6/c1-3-4-2/h1-2H3

InChIKey

InChIKey=XNMQEEKYCVKGBD-UHFFFAOYSA-N

SMILES

C(#CC)C

Canonical SMILES

C(#CC)C

Other Names for this Substance

  • 2-Butyne
  • 2-Butine
  • Dimethylacetylene

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