Trichloroethylene

Trichloroethylene (TCE) is an industrial solvent primarily used in vapor degreasing of metal parts. It is a clear non-flammable liquid with a sweet smell.

History[edit | edit source]

Trichloroethylene was first prepared in 1864 by the French chemist Henri Victor Regnault. It was manufactured on a large scale during World War II as an anesthetic and a component of refrigerants.

Production[edit | edit source]

TCE is produced by chlorination of ethylene in the presence of a catalyst. The process also produces tetrachloroethylene as a byproduct.

TCE is used in a variety of industries for its solvent properties. It is used in the manufacture of a range of products including paints, varnishes, lacquers, adhesives, and sealants. It is also used in the textile industry for dry cleaning and spot removal.

Health effects[edit | edit source]

Exposure to TCE can have serious health effects. It has been classified as a human carcinogen by the International Agency for Research on Cancer and the Environmental Protection Agency. Long-term exposure can lead to liver and lung damage, and it can also affect the central nervous system.

Environmental impact[edit | edit source]

TCE is a persistent environmental pollutant. It can contaminate soil and groundwater, and it can also evaporate into the air, contributing to air pollution.

Regulation[edit | edit source]

In many countries, the use of TCE is heavily regulated due to its health and environmental impacts. In the United States, the Occupational Safety and Health Administration has set limits on workplace exposure to TCE.

References[edit | edit source]

Trichloroethylene Resources
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