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|Molar mass||42.08 g mol-1|
|Density|| 1.81 kg/m3, gas (1.013 bar, 15 °C)|
613.9 kg/m3, liquid
−185.2 °C, 88 K, -301 °F
−47.6 °C, 226 K, -54 °F
|Solubility in water||0.61 g/m3|
|Viscosity||8.34 µPa·s at 16.7 °C|
|Dipole moment||0.366 D (gas)|
|Main hazards|| Highly flammable,|
|Flash point||−108 °C|
|Related groups||Allyl, Propenyl|
|Related compounds|| Propane, Propyne|
|Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)|
Propene is an organic compound. The substance is also known as propylene and has the formula C3H6. It is the second-simplest alkene. Since it is only made of hydrogen and carbon atoms, it is a hydrocarbon. At room temperature and normal pressure it is a gas.
Propene is produced from fossil fuels, and from coal. Propene is the second most important product used in the petrochemical industry, after ethene. About two thirds are used to produce polypropylene. Propene and benzene are converted to acetone and phenol via the cumene process. Propene is also used to produce isopropanol (propan-2-ol), acrylonitrile, propylene oxide (epoxypropane) and epichlorohydrin.
- Budavari, Susan, ed. (1996). "8034. Propylene". The Merck Index, Twelfth Edition. New Jersey: Merck & Co.. pp. 1348–1349.