2,4,6-Trichlorophenol

2,4,6-Trichlorophenol (2,4,6-TCP) is a chlorinated phenol that has been used as a fungicide, wood preservative, and disinfectant. It is a white crystalline solid with a strong, phenolic odor.

Chemical Properties

2,4,6-Trichlorophenol is a chlorinated derivative of phenol. It has the chemical formula C6H3Cl3O and a molecular weight of 197.447 g/mol. It is slightly soluble in water and readily soluble in organic solvents such as ethanol and acetone. It has a melting point of 62-64 °C and a boiling point of 246 °C.

Uses

Historically, 2,4,6-Trichlorophenol has been used in a variety of industrial applications. It has been used as a fungicide, particularly in the preservation of citrus fruits. It has also been used as a wood preservative and as a disinfectant in sanitation and waste treatment facilities.

Health Effects

Exposure to 2,4,6-Trichlorophenol can have several adverse health effects. It can cause irritation to the skin, eyes, and respiratory tract. Long-term exposure can lead to liver and kidney damage, and it is classified as a possible human carcinogen by the International Agency for Research on Cancer (IARC).

Environmental Impact

2,4,6-Trichlorophenol is persistent in the environment and can bioaccumulate in aquatic organisms. It is toxic to a variety of organisms, including fish, invertebrates, and algae.

Regulation

In many countries, the use of 2,4,6-Trichlorophenol is heavily regulated due to its potential health and environmental impacts. In the United States, for example, it is classified as a hazardous substance under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).

See Also

• Chlorophenols
• Phenol
• Fungicide
• Wood preservation
• Disinfectant