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CAS 127-18-4 Tetrachloroethylene Perchloroethylene (PERC) - Chlorinated Solvents

Jan 07, 2026 Leave a message

What is  Tetrachloroethylene CAS 127-18-4?

Perchloroethylene or tetrachloroethylene (PCE or Perc) is chlorinated solvent used in a variety of processes as a solvent and degreaser.

 

Tetrachloroethylene Cl2C=CCl2 is a manufactured chemical compound that is widely used for the dry cleaning of fabrics (often commonly called dry-cleaning fluid) and for metal-degreasing. It is also used to make other chemicals and is used in some consumer products.

 

Other names for tetrachloroethylene include perchloroethylene, perc, PCE, 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 tetrachloroethylene when it is present in the air at a concentration of 1 part per million (1 ppm), although some can smell it at even lower levels.

 

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Tetrachloroethylene Perchloroethylene (PERC) Uses

Historically, it was used as an intermediate in the production of 1,1,1,2-Tetrafluoroethane and in the treatment of hookworm infestation. Presently, it is used for various purposes in many fields. 

CAS 127-18-4 Tetrachloroethylene is widely used for dry cleaning of fabrics. That's why it is also known as dry cleaning fluid.

It is used as solvent for many organic materials in various reactions.

It is used to remove grease from metals parts of automotive and other metal industries.

It is used as a cleaning agent with other chlorocarbons as well.

It is used as one of the ingredients in paint strippers and spot removers.

It is used in aerosol preparations as well.

An apparatus used in physics to study neutrinos is called a neutrino detector in which tetrachloroethylene is used.

Its small quantities are used as a vermifuge.

 

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