Propane
Propane () is a three-carbon alkane with the molecular formula C3H8. It is a gas at standard temperature and pressure, but compressible to a transportable liquid. A by-product of natural gas processing and petroleum refining, it is commonly used as a fuel. Propane is one of a group of liquefied petroleum gases (LP gases). The others include butane, propylene, butadiene, butylene, isobutylene, and mixtures thereof.
Propene
Propene, also known as propylene or methyl ethylene, is an unsaturated organic compound having the chemical formula
C
3
H
6
{displaystyle {{ce {C3H6}}}}
. It has one double bond, and is the second simplest member of the alkene class of hydrocarbons. It is a colorless gas with a faint petroleum-like odor
Propane (noun)
An aliphatic hydrocarbon, C3H8, a constituent of natural gas.
Propene (noun)
The organic chemical compound propylene. An alkene which is a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C3H6.