Diacetyl

C4H6O2CAS 431-03-886.09 g/mol

OO
Ketone

Properties

Molecular formula
C4H6O2
Molar mass
86.09 g/mol
Exact mass
86.0368 Da
Density
0.99 g/mL (at 15 °C)
Melting point
−2.4 °C
Boiling point
88 °C
Water solubility
200 g/L (20 °C)
logP
0.16Crippen estimate
Polar surface area
34.1 Ų
H-bond donors / acceptors
0 / 2
Rotatable bonds
1

Hazards

Danger
Flammable (GHS02)Corrosive (GHS05)Acute Toxic (GHS06)Irritant (GHS07)Health Hazard (GHS08)

Aggregated from 1,782 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P272, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P333+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501

Identifiers

CAS number
431-03-8
SMILES
CC(=O)C(C)=O
InChIKey
QSJXEFYPDANLFS-UHFFFAOYSA-N
InChI
InChI=1S/C4H6O2/c1-3(5)4(2)6/h1-2H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

9 names
  • 2,3-Butanedione
  • Biacetyl
  • 2,3-Diketobutane
  • Dimethyl diketone
  • Dimethylglyoxal
  • Butanedione
  • 2,3-Butadione
  • 2,3-Dioxobutane
  • NSC 8750

Work with Diacetyl

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Same formula

Elsewhere