RT Report T1 Environmental Health Criteria 136: 1,1,1 - Trichloroethane A1 World Health Organization, K1 toxic substance K1 environmental health K1 chemical K1 carcinogen K1 micro-organism K1 environmental protection K1 health SN 92 4 157136 5 YR 1992 FD 1992 LK https://wedocs.unep.org/handle/20.500.11822/29472 UL https://wedocs.unep.org/handle/20.500.11822/29472 NO 1,1,1-Trichloroethane is a chlorinated hydrocarbon which is manufactured from vinyl chloride or vinylidene chloride by chlorination. The world production was approximately 680 000 tonnes in 1988. It is a colourless, volatile liquid with a characteristic odour, and its vapour is more dense than air. It is mainly used in metal degreasing and as a solvent in many industrial and consumer products, including adhesives, spot removers, and aerosol cans. It is also a chemical intermediate. DS UN Environment Document Repository RD Sep 17, 2026