1,2-Butadiene

C4H6CAS 590-19-254.09 g/mol

Properties

Molecular formula
C4H6
Molar mass
54.09 g/mol
Exact mass
54.0470 Da
Density
0.676 g/mL (at 0 °C)
Melting point
−136.2 °C
Boiling point
10.9 °C
Water solubility
miscible
logP
1.35Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
0 / 0
Rotatable bonds
0

Hazards

Danger
Flammable (GHS02)Compressed Gas (GHS04)Environmental Hazard (GHS09)

Aggregated from 346 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P210, P222, P233, P240, P241, P242, P243, P273, P280, P303+P361+P353, P370+P378, P377, P381, P391, P403, P403+P235, P410+P403, P501

Identifiers

CAS number
590-19-2
SMILES
C=C=CC
InChIKey
QNRMTGGDHLBXQZ-UHFFFAOYSA-N
InChI
InChI=1S/C4H6/c1-3-4-2/h4H,1H2,2H3

Weigh it out

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

Names and synonyms

4 names
  • Allene, methyl-
  • Methylallene
  • 1-Methylallene
  • Butadiene-1,2

Work with 1,2-Butadiene

Same formula

Elsewhere