polybrominated diphenyl ethers


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polybrominated diphenyl ethers

(pōl″ē-brōm′ĭ-nāt″ĕd),

PBDE

A class of chemicals used as flame retardants. They are chemically related to polychlorinated biphenyls and are thought to have similar biological toxicity. They have been found in streams, marine animals, human fetuses, and human breast milk.
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The European Commission has published Commission Delegated Directive 2016/585/EU amending Commission Directive 2011/65/EU which prohibits the use of lead, cadmium, hexavalent chromium, and polybrominated diphenyl ethers (PBDE) in electrical and electronic equipment placed on the market.
The toxic compounds are known as polybrominated diphenyl ethers (PBDEs), a subgroup of brominated flame retardants that are combined into foam, textiles and electronics to raise the temperature at which the products will burn.
Since polybrominated diphenyl ethers (PBDEs) and hBcD (and ~20% of the production of TBBP-A) are blended physically rather than bonded chemically to polymeric materials, they migrate into the environment where their persistence and bioaccumulative characters lead to contamination of humans [4].
The flame retardant properties are achieved using innovative technology without the need for polybrominated diphenyl ethers, hexabromocyclododecane additives or other brominated compounds.
Among the topics are spatial and temporal trends of polybrominated diphenyl ethers, the environmental contamination status of polychlorinated biphenyls in China, chlorinated hydrocarbons in animal tissues and products of animal origin from Poland, contamination profiles and temporal trends of POC in oysters from the Gulf of Mexico, and the contamination profile and temporal trends of persistent organic pollutants in Antarctic biota.
The six substances are: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE).
Polybrominated diphenyl ethers (PBDEs) are flame retardants that are used in electronics and fabrics.
Although not often studied, polybrominated diphenyl ethers (PBDEs) have made it into the headlines recently due to serious health concerns.
For instance he suggests avoiding seven harmful substances commonly found in things people buy and use: lead mercury vinyl (also known as PVC) phthalates bisphenol A (BPA) polybrominated diphenyl ethers (PBDEs) and perfluorinated chemicals (PFCs).
WASHINGTON -- A new House bill proposes to prohibit the manufacture after July 1, 2010 of "electroindustry products" that contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBBs) and polybrominated diphenyl ethers (PBDEs) above the maximum concentration levels specified in the European Union's RoHS Directive.
WASHINGTON -- A new House bill proposes to prohibit the manufacture after July 1,2010, of "electroindustry products" that contain lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls ("PBBs"), and polybrominated diphenyl ethers ("PBDEs") above the maximum concentration levels specified in the European Union's RoHS Directive.