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decabromodiphenyl ether

n. A brominated flame retardant with the molecular formula C12Br10O.

Wikipedia
Decabromodiphenyl ether

Decabromodiphenyl ether (also known as decaBDE, deca-BDE, DBDE, deca, decabromodiphenyl oxide, DBDPO, or bis(pentabromophenyl) ether) is a brominated flame retardant which belongs to the group of polybrominated diphenyl ethers (PBDEs).