1,2-Pentadiene

CAS Registry Number®

591-95-7

CAS Name

1,2-Pentadiene

Molecular Formula

C5H8

Molecular Mass

68.12

Cite this Page

1,2-Pentadiene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=591-95-7 (retrieved 2025-04-01) (CAS RN: 591-95-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    45 °C

  • Melting Point (2)

    -137.3 °C

  • Density (3)

    0.6890 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H8/c1-3-5-4-2/h5H,1,4H2,2H3

InChIKey

InChIKey=LVMTVPFRTKXRPH-UHFFFAOYSA-N

SMILES

C(CC)=C=C

Canonical SMILES

C(=C)=CCC

Other Names for this Substance

  • 1,2-Pentadiene
  • 1-Methyl-2,3-butadiene
  • Ethylallene

Deleted or Replaced CAS Registry Numbers

44211-89-4

CAS INSIGHTSTM
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