Propylene is a colorless, odorless, slightly sweet gas; It is flammable and produces bright flame when burning. The explosion limit in air is 2% to 11%; It is insoluble in water, soluble in organic solvents, belonging to a low toxic substance.
Propylene, one of the basic raw materials of three synthetic materials, is mainly used in the production of polypropylene. In addition, it can be used to prepare acrylonitrile, propylene oxide, isopropanol, phenol, acetone, butanol, octanol, acrylic acid and its lipids, propylene glycol, epichlorohydrin and synthetic glycerol.