Wiktionary
allyl chloride
n. (context organic compound English) The chlorinated derivative of propene ''3-chloropropene'' that is used in the manufacture of pesticides and pharmaceuticals etc
Wikipedia
Allyl chloride
Allyl chloride is the organic compound with the formula C H=CHCH Cl. This colorless liquid is insoluble in water but soluble in common organic solvents. It is mainly converted to epichlorohydrin, used in the production of plastics. It is a chlorinated derivative of propylene. It is an alkylating agent, which makes it both useful and hazardous to handle.