Propadiene
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
- H220 Extremely flammable gas87.7% of notifiers
- H280 Contains gas under pressure; may explode if heated99.4% of notifiers
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
463-49-0SMILES
C=C=CInChIKey
IYABWNGZIDDRAK-UHFFFAOYSA-NInChI
InChI=1S/C3H4/c1-3-2/h1-2H2Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
5 names
- 1,2-Propadiene
- Allene
- Sym-Allylene
- Dimethylenemethane
- Bis(methylene)methane
Reactions
Work with Propadiene
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern