Isoprene

CAS Registry Number®

78-79-5

CAS Name

Isoprene

Molecular Formula

C5H8

Molecular Mass

68.12

Cite this Page

Isoprene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=78-79-5 (retrieved 2024-11-22) (CAS RN: 78-79-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    34.067 °C @ Press: 760 Torr

  • Melting Point (1)

    -145.95 °C

  • Density (1)

    0.681 g/cm³ @ Temp: 20 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C5H8/c1-4-5(2)3/h4H,1-2H2,3H3

InChIKey

InChIKey=RRHGJUQNOFWUDK-UHFFFAOYSA-N

SMILES

C(C=C)(C)=C

Canonical SMILES

C=CC(=C)C

Other Names for this Substance

  • 1,3-Butadiene, 2-methyl-
  • Isoprene
  • 2-Methyl-1,3-butadiene
  • β-Methylbivinyl
  • 2-Methylbutadiene

View All

Deleted or Replaced CAS Registry Numbers

78006-92-5, 823271-95-0, 2378489-72-4, 2706608-31-1

CAS INSIGHTSTM
Targeted protein degrader structure, illustration