1-Pentyne

CAS Registry Number®

627-19-0

CAS Name

1-Pentyne

Molecular Formula

C5H8

Molecular Mass

68.12

Cite this Page

1-Pentyne.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=627-19-0 (retrieved 2025-03-28) (CAS RN: 627-19-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    42 °C

  • Melting Point (2)

    -90 °C

  • Density (3)

    0.690 g/cm³ @ Temp: 20 °C; Press: 750 Torr

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3

InChIKey

InChIKey=IBXNCJKFFQIKKY-UHFFFAOYSA-N

SMILES

C(CC)C#C

Canonical SMILES

C#CCCC

Other Names for this Substance

  • 1-Pentyne
  • 1-Pentine
  • Propylacetylene

CAS INSIGHTSTM
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