4-Chloro-2-pentene

CAS Registry Number®

1458-99-7

CAS Name

4-Chloro-2-pentene

Molecular Formula

C5H9Cl

Molecular Mass

104.58

Cite this Page

4-Chloro-2-pentene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1458-99-7 (retrieved 2025-06-29) (CAS RN: 1458-99-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    39.5-41.0 °C @ Press: 82 Torr

  • Density (2)

    0.8996 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H9Cl/c1-3-4-5(2)6/h3-5H,1-2H3

InChIKey

InChIKey=FKKCIOTUMHPTSB-UHFFFAOYSA-N

SMILES

C(C(C)Cl)=CC

Canonical SMILES

ClC(C=CC)C

Other Names for this Substance

  • 2-Pentene, 4-chloro-
  • 4-Chloro-2-pentene
  • Piperylene chlorohydrin
  • α,γ-Dimethylallyl chloride
  • 2-Chloro-3-pentene

Deleted or Replaced CAS Registry Numbers

42569-50-6

CAS INSIGHTSTM
Purple and red filaments produced by electrostatic discharge inside a plasma ball.