2-Butene

CAS Registry Number®

107-01-7

CAS Name

2-Butene

Molecular Formula

C4H8

Molecular Mass

56.11

Cite this Page

2-Butene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=107-01-7 (retrieved 2025-03-28) (CAS RN: 107-01-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    3.7 °C
  • Melting Point (2)

    -139.3 °C
  • Density (3)

    0.597 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3

InChIKey

InChIKey=IAQRGUVFOMOMEM-UHFFFAOYSA-N

SMILES

C(=CC)C

Canonical SMILES

C(=CC)C

Other Names for this Substance

  • 2-Butene
  • β-Butylene
  • Pseudobutylene
  • β-Butene

Deleted or Replaced CAS Registry Numbers

1735-76-8

CAS INSIGHTSTM
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