Allene

CAS Registry Number®

463-49-0

CAS Name

Allene

Molecular Formula

C3H4

Molecular Mass

40.06

Cite this Page

Allene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=463-49-0 (retrieved 2024-11-22) (CAS RN: 463-49-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    -34.5 °C @ Press: 760 Torr

  • Melting Point (1)

    -136 °C

  • Density (1)

    1.787 g/cm³

Source(s)

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

Other Names and Identifiers

InChI

InChI=1S/C3H4/c1-3-2/h1-2H2

InChIKey

InChIKey=IYABWNGZIDDRAK-UHFFFAOYSA-N

SMILES

C(=C)=C

Canonical SMILES

C(=C)=C

Other Names for this Substance

  • 1,2-Propadiene
  • Propadiene
  • Allene
  • sym-Allylene
  • Dimethylenemethane

View All

Deleted or Replaced CAS Registry Numbers

6688-91-1

CAS INSIGHTSTM
Targeted protein degrader structure, illustration