1,1,1,2-Tetrachloroethane

1,1,1,2-Tetrachloroethane is a chlorinated hydrocarbon that is commonly used as an industrial solvent. It is a colorless liquid with a sweet, chloroform-like odor.

Chemical Properties

1,1,1,2-Tetrachloroethane has the chemical formula C2H2Cl4 and a molecular weight of 167.85 g/mol. It is nonflammable and has a boiling point of 146.5°C. It is slightly soluble in water and readily soluble in organic solvents.

Uses

1,1,1,2-Tetrachloroethane is primarily used as a solvent for fats, oils, waxes, resins, and rubber. It is also used in the production of pharmaceuticals, pesticides, and other organic chemicals. In addition, it is used as a refrigerant and in metal cleaning.

Health Effects

Exposure to 1,1,1,2-Tetrachloroethane can cause a variety of health effects. Inhalation can lead to irritation of the respiratory tract, headache, dizziness, and unconsciousness. Long-term exposure can cause liver and kidney damage. It is also a suspected human carcinogen.

Environmental Impact

1,1,1,2-Tetrachloroethane is a persistent organic pollutant that can remain in the environment for long periods of time. It can contaminate groundwater and soil, and can bioaccumulate in aquatic organisms.

Regulation

Due to its potential health and environmental impacts, the use and disposal of 1,1,1,2-Tetrachloroethane is regulated in many countries. In the United States, it is regulated under the Clean Air Act and the Resource Conservation and Recovery Act.

See Also

• Chlorinated hydrocarbons
• Persistent organic pollutants
• Clean Air Act
• Resource Conservation and Recovery Act