TCE
Tetrachloroethylene, also known as perchloroethylene, PCE, or tetrachloroethene, is a commonly used solvent. It is a volatile, colorless liquid that is nonflammable and has a sweet smell.
History[edit | edit source]
Tetrachloroethylene was first synthesized by Michael Faraday in 1821. He heated hexachloroethane (C2Cl6) until it decomposed into tetrachloroethylene and other chlorinated hydrocarbons.
Production[edit | edit source]
Tetrachloroethylene is produced by high temperature chlorinolysis of light hydrocarbons. The main raw materials are ethylene and chlorine.
Uses[edit | edit source]
Tetrachloroethylene is widely used for dry cleaning of fabrics and for metal-degreasing. It is also used in the manufacture of some consumer products and other chemicals.
Health effects[edit | edit source]
Exposure to tetrachloroethylene may occur through inhalation, skin contact, or ingestion. It can have several adverse effects on human health, depending on the amount and duration of exposure.
Environmental impact[edit | edit source]
Tetrachloroethylene is a persistent organic pollutant. It does not easily break down in the environment and can contaminate air, soil, and water.
See also[edit | edit source]
References[edit | edit source]
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