Cyclopentene

CAS Registry Number®

142-29-0

CAS Name

Cyclopentene

Molecular Formula

C5H8

Molecular Mass

68.12

Cite this Page

Cyclopentene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=142-29-0 (retrieved 2025-03-30) (CAS RN: 142-29-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    44.2 °C

  • Melting Point (2)

    -135.1 °C

  • Density (3)

    0.7665 g/cm³ @ Temp: 25 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H8/c1-2-4-5-3-1/h1-2H,3-5H2

InChIKey

InChIKey=LPIQUOYDBNQMRZ-UHFFFAOYSA-N

SMILES

C1CC=CC1

Canonical SMILES

C1=CCCC1

Other Names for this Substance

  • Cyclopentene
  • NSC 5160
  • 1-Cyclopentene

Deleted or Replaced CAS Registry Numbers

33004-05-6

CAS INSIGHTSTM
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