Propyne
Propino · Propino · بروباين · Propin · Propin · Προπίνιο · متیل استیلن · פרופין · Propin · Propuna · プロピン · 프로파인
| CAS | 74-99-7 |
|---|---|
| EC | 200-828-4 |
| UN | 1954 |
| Formula | C3H4 |
| Molar mass | 40.06 g/mol |
| LEL | 1.7 % vol |
| UEL | 16.8 % vol |
| Autoignition temperature | 340 °C |
| Temperature class | T2 |
| Gas group | IIB |
| Relative density of the gas or vapour (air = 1) | 1.38 |
| GHS | Danger · H220, H280, H335, H336 |
Propyne is a gas molecular entity, an alkyne and a terminal acetylenic compound. 1-propyne appears as a colorless liquefied gas with a sweet odor. mp: -104 °C, bp: -23.1 °C. Insoluble in water, soluble in ethanol, chloroform and benzene. Moderately toxic by inhalation.