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Test Results

Body Burden: The Pollution in Newborns: Test Results

July 14, 2005

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  PBDE-166*

PBDE-166 was found in 4 of 10 umbilical cord blood samples from babies born in U.S. hospitals in 2004, at concentrations ranging from 30.7 to 50.8 pg/g (lipid weight, in whole blood). It was also found in 2 of 3 adult blood samples, at concentrations of 44.7 and 59.7 pg/g (lipid weight, in whole blood).

*PBDE-166 co-eluted with PBDE-138. Results shown indicate the total concentration of all the chemicals that co-eluted.

Brominated fire retardants used in foam and plastics. Break down into more toxic and persistent forms in the environment. Withdrawn from the market in the U.S. in 2005.


About PBDE-166 *
CAS RN36483-60-0
Chemical ClassPolybrominated diphenyl ether (PBDE)
Chemical SubClassHexabrominated diphenyl ether
Manufacturing/ Use StatusUse/production of Penta and Octa commercial PBDE formulations have been discontinued. Deca commercial formulation is still in active use, and can break down into many other PBDE chemicals, including those used in the Penta and Octa formulations.
Chemical functionsflame retardant
Usesflame retardant in furniture, seating, sound insulation panels, imitation wood, packaging materials, plastics, fabric, upholstery, electrical cable and connectors, insulated pipes, and some industrial paints
ManufacturersAlbermarle, Great Lakes Chemical

* Information may include trade names, manufacturers, and products for other chemicals in the Polybrominated diphenyl ether (PBDE) class.



Suspected Health Concerns for PBDE-166
Birth Defects / Developmental Delays, Hormone System, Stomach Or Intestines, Brain, Nervous System, Reproductive System, Female Reproductive System, Male Reproductive System, Lungs/breathing, Hearing

References for Health Effects