3-Methyl-1,2-butadiene

CAS Registry Number®

598-25-4

CAS Name

3-Methyl-1,2-butadiene

Molecular Formula

C5H8

Molecular Mass

68.12

Cite this Page

3-Methyl-1,2-butadiene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=598-25-4 (retrieved 2025-03-31) (CAS RN: 598-25-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    39-40.6 °C

  • Melting Point (2)

    -113.6 °C

  • Density (3)

    0.6833 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H8/c1-4-5(2)3/h1H2,2-3H3

InChIKey

InChIKey=PAKGDPSCXSUALC-UHFFFAOYSA-N

SMILES

C(=C=C)(C)C

Canonical SMILES

C(=C)=C(C)C

Other Names for this Substance

  • 1,2-Butadiene, 3-methyl-
  • 1,1-Dimethylallene
  • 3-Methyl-1,2-butadiene
  • 2-Methyl-2,3-butadiene
  • 1,1-Dimethylallylene

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