Butanedione

CAS Registry Number®

431-03-8

CAS Name

Butanedione

Molecular Formula

C4H6O2

Molecular Mass

86.09

Cite this Page

Butanedione.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=431-03-8 (retrieved 2024-11-22) (CAS RN: 431-03-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    88 °C @ Press: 760 Torr

  • Melting Point (1)

    -2.4 °C

  • Density (1)

    0.990 g/cm³ @ Temp: 15 °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/C4H6O2/c1-3(5)4(2)6/h1-2H3

InChIKey

InChIKey=QSJXEFYPDANLFS-UHFFFAOYSA-N

SMILES

C(C(C)=O)(C)=O

Canonical SMILES

O=C(C(=O)C)C

Other Names for this Substance

  • 2,3-Butanedione
  • Biacetyl
  • Diacetyl
  • 2,3-Diketobutane
  • Dimethyl diketone

View All

Deleted or Replaced CAS Registry Numbers

151677-70-2

CAS INSIGHTSTM
Hourglass and a clock