File:PROPYNE.png · Wikimedia Commons · See Wikimedia Commons
متیل استیلن
Sign in to saveAlso known as 1-propyne, propine, allylene, methyl acetylene
Propyne (methylacetylene) is an alkyne with the chemical formula . It is a component of MAPD gas—along with its isomer propadiene (allene), which was commonly used in gas welding. Unlike acetylene, propyne can be safely condensed.
Chemical data
- Formula
- C3H4
- Molecular weight
- 40.06 g/mol
- IUPAC name
- prop-1-yne
- SMILES
- CC#C
- InChIKey
- MWWATHDPGQKSAR-UHFFFAOYSA-N
- XLogP
- 0.9
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 0
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Molecule type
- Small molecule
via ChEMBL · EBI
Wikidata facts
Show 15 more facts
- NIOSH Pocket Guide ID
- 0392
- chemical formula
- C₃H₄
- canonical SMILES
- CC#C
- immediately dangerous to life or health
- 2788
- melting point
- -102.7
- boiling point
- -23.2
- vapor pressure
- 5.2
- lower flammable limit
- 1.7
- ionization energy
- 10.36
- time-weighted average exposure limit
- 1650
- density
- 0.6925
- standard enthalpy of formation
- -185.44
- molar enthalpy of vaporization
- 22.1
- Commons category
- Propyne
- electric dipole moment
- 0.784
via Wikidata · CC0