How is trichlorophenol made?
A trichlorophenol is any organochloride of phenol that contains three covalently bonded chlorine atoms. Trichlorophenols are produced by electrophilic halogenation of phenol with chlorine. Different isomers of trichlorophenol exist according to which ring positions on the phenol contain chlorine atoms.
What is furan formula?
C4H4O
Furan/Formula
Furan is a monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31℃) colourless liquid. It has a role as a carcinogenic agent, a hepatotoxic agent and a Maillard reaction product.
Why is PCB bad?
Studies of PCBs in humans have found increased rates of melanomas, liver cancer, gall bladder cancer, biliary tract cancer, gastrointestinal tract cancer, and brain cancer, and may be linked to breast cancer. PCBs are known to cause a variety of types of cancer in rats, mice, and other study animals.
Is PCB harmful to humans?
PCBs are a probable human carcinogen. Studies of PCBs in humans have found increased rates of melanomas, liver cancer, gall bladder cancer, biliary tract cancer, gastrointestinal tract cancer, and brain cancer, and may be linked to breast cancer.
What is PCB food?
Dioxins and polychlorinated biphenyls (PCBs) are toxic chemicals that persist in the environment and accumulate in the food chain. Their persistence and the fact that they accumulate in the food chain, notably in animal fat, therefore continues to cause some safety concerns.
What is trichlorophenol used for?
2,4,6-Trichlorophenol is a colorless to yellow solid with a strong Phenol-like odor. It is used as a wood and glue preservative, insecticide, bactericide, and for anti-mildew treatment.
Is trichlorophenol a dioxin?
TCDD belongs to the dioxins, a chemical family with high toxicity and demonstrated carcinogenic effects. In fact, it is the most toxic congener, has a long biological half-life in humans (≥7 years), and is classified by the International Agency for Research on Cancer (IARC, 1997) as a human carcinogen.