Propyne
Chemical compound
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Propyne is an alkyne with the chemical formula CH₃C≡CH. It is a component of MAPD gas—along with its isomer propadiene, which was commonly used in gas welding. Unlike acetylene, propyne can be safely condensed. Wikipedia
Formula: C3H4
Molar mass: 40.0639 g/mol
Density: 530 kg/m³
Boiling point: -9.76°F (-23.2°C)
3D model (JSmol): Interactive image
Explosive limits: 1.7%-?
Vapor pressure: 5.2 atm (20°C)