2-Cyclopenten-1-one

CAS Registry Number®

930-30-3

CAS Name

2-Cyclopenten-1-one

Molecular Formula

C5H6O

Molecular Mass

82.10

Cite this Page

2-Cyclopenten-1-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=930-30-3 (retrieved 2025-03-28) (CAS RN: 930-30-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    40-41 °C @ Press: 10 Torr

  • Density (2)

    1.004 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H6O/c6-5-3-1-2-4-5/h1,3H,2,4H2

InChIKey

InChIKey=BZKFMUIJRXWWQK-UHFFFAOYSA-N

SMILES

O=C1CCC=C1

Canonical SMILES

O=C1C=CCC1

Other Names for this Substance

  • 2-Cyclopenten-1-one
  • Cyclopenten-3-one
  • 2-Cyclopentenone
  • 1-Cyclopenten-3-one
  • NSC 73117

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