ATSDR - Toxic Substances - Phosphate Ester Flame Retardants
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Phosphate Ester Flame Retardants

CAS ID #: 126-71-6, 126-73-8, 78-51-3, 115-86-6, 13674-84-5, 13674-87-8, 115-96-8

Affected Organ Systems: Body Weight, Hepatic (Liver), Neurological (Nervous System), Renal (Urinary System or Kidneys), Reproductive (Producing Children)

Cancer Classification: EPA: Not evaluated. IARC: Not classifiable as to carcinogenicity to humans. IARC: Not evaluated. NTP: Not evaluated

Please contact NTP, IARC, or EPA’s IRIS Hotline with questions on cancer and cancer classification.

Chemical Classification: None

Summary: Phosphate ester flame retardants are human-made chemicals added to consumer and industrial products for the purpose of reducing flammability. Phosphate ester flame retardants are composed of a group of chemicals with similar properties but slightly different structures. Phosphate esters are typically liquids at room temperature; however, some are solids.

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