<unk>  Cl2C=CCl2 is a manufactured chemical compound that is widely used for the dry cleaning of fabrics and for metal-degreasing. It is also used to make other chemicals and is used in some consumer products.
Other names for<unk>  include<unk> chloroethylene,<unk> c,<unk> , and tetrachloroethene. It is a nonflammable liquid at room temperature. It evaporates easily into the air and has a sharp, sweet odor. Most people can smell<unk>  when it is present in the air at a concentration of 1 part<unk>  million (1 ppm), although some can smell it at even lower levels.
Michael Faraday first synthesized<unk>  in 1821 by heating hexachloroethane until it decomposed into<unk>  and chlorine.
Tetrachloroethylene
Trichloroethylene
Acetylene tetrabromide
Coal tar
Vinyl chloride
Nitrazine
Toluene
Dimethylphthalate