Diketene

CAS Registry Number®

674-82-8

CAS Name

Diketene

Molecular Formula

C4H4O2

Molecular Mass

84.07

Cite this Page

Diketene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=674-82-8 (retrieved 2024-11-21) (CAS RN: 674-82-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    127.4 °C

  • Melting Point (1)

    -6.5 °C

  • Density (1)

    1.0897 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/C4H4O2/c1-3-2-4(5)6-3/h1-2H2

InChIKey

InChIKey=WASQWSOJHCZDFK-UHFFFAOYSA-N

SMILES

C=C1CC(=O)O1

Canonical SMILES

O=C1OC(=C)C1

Other Names for this Substance

  • 2-Oxetanone, 4-methylene-
  • 3-Butenoic acid, 3-hydroxy-, β-lactone
  • Diketene
  • Ethenone, dimer
  • 4-Methylene-2-oxetanone

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Deleted or Replaced CAS Registry Numbers

2130-41-8, 6144-29-2

CAS INSIGHTSTM
Targeted protein degrader structure, illustration