Propylene | Gas, Petroleum, & Glycol | Britannica (original) (raw)
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Also known as: propene
Written and fact-checked by
The Editors of Encyclopaedia Britannica
propylene, a colourless, flammable, gaseous hydrocarbon, C3H6, obtained from petroleum; large quantities of propylene are used in the manufacture of resins, fibres, and elastomers (see polyolefin), and numerous other chemical products. See alsopropylene glycol; glycol; propyl alcohol.