ATSDR - Toxic Substances - Bromoform & Dibromochloromethane
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Bromoform & Dibromochloromethane

CAS ID #: 75-25-2, 124-48-1

Affected Organ Systems: Hepatic (Liver), Hepatic (Liver), Neurological (Nervous System), Renal (Urinary System or Kidneys)

Cancer Effects: None

Chemical Classification: Volatile organic compounds

Summary: Bromoform and dibromochloromethane are colorless to yellow, heavy, nonflammable, liquids with a sweet odor. Small amounts are formed naturally by plants in the ocean. They are somewhat soluble in water and readily evaporate into the air. Most of the bromoform and dibromochloromethane that enters the environment is formed as byproducts when chlorine is added to drinking water to kill bacteria. Only small quantities of bromoform and dibromochloromethane currently are produced in the United States. These chemicals were used in the past as solvents and flame retardants, or to make other chemicals, but now they are used mainly as laboratory reagents.

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