Trichloroethylene, the chemical formula C2HCl3, is a compound produced by replacing 3 hydrogen atoms in an ethylene molecule with chlorine. Hardly soluble in water, soluble in ethanol, ether, etc. Trichloroethylene is a flammable liquid, which can cause fire and explosion when exposed to open flames and high heat. Trichloroethylene was used as an analgesic and me
tal degreasing agent, as an extractant, bactericide and refrigerant, and as a dry cleaning agent for clothes. Long-term exposure can cause trigeminal nerve palsy and other diseases.
On October 27, 2017, the list of carcinogens published by the International Agency for Research on Cancer of the World Health Organization was preliminarily compiled for reference, and trichloroethylene was included in the list of carcinogens. [1] On July 23, 2019, trichloroethylene was included in the list of toxic and hazardous water pollutants (the first batch).
