Propadiene

C3H4CAS 463-49-040.06 g/mol

Properties

Molecular formula
C3H4
Molar mass
40.06 g/mol
Exact mass
40.0313 Da
Density
1.79 g/mL
Melting point
−136 °C
Boiling point
−34.5 °C
logP
0.96Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
0 / 0
Rotatable bonds
0

Hazards

Danger
Flammable (GHS02)Compressed Gas (GHS04)

Aggregated from 317 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P210, P222, P280, P377, P381, P403, P410+P403

Identifiers

CAS number
463-49-0
SMILES
C=C=C
InChIKey
IYABWNGZIDDRAK-UHFFFAOYSA-N
InChI
InChI=1S/C3H4/c1-3-2/h1-2H2

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Names and synonyms

5 names
  • 1,2-Propadiene
  • Allene
  • Sym-Allylene
  • Dimethylenemethane
  • Bis(methylene)methane

Reactions

Work with Propadiene

Same formula

Elsewhere