What is 1,2,3-Trichloropropane?

1,2,3-Trichloropropane is a synthetic chemical that is also known as allyl trichloride, glycerol trichlorohydrin, and trichlorohydrin. It is a colorless, heavy liquid with a sweet but strong odor. It evaporates very quickly and small amounts dissolve in water.


1,2,3-Trichloropropane is used as both a chemical intermediate and cross-linking agent in the production of polymers.Some of it is also used as an industrial solvent, paint and varnish remover, and cleaning and degreasing agent. Very little information is available on the amounts manufactured and the specific uses.

Sources & Potential Exposure

The substance can be absorbed into the body by inhalation of its vapor, through the skin and by ingestion.

Federal Regulations

EPA: Likely to be carcinogenic to humans. IARC: Probably carcinogenic to humans. NTP: Reasonably anticipated to be a human carcinogen

REGENESIS Treatment Products – Trichloropropane