BB-8; OBB; Octabromodiphenyl; ar,ar,ar,ar,ar',ar',ar',ar'-Octabromo-1,1'-biphenyl; 1,1'-Biphenyl, ar,ar,ar,ar,ar',ar',ar',ar'-octabromo-; Biphenyl, octabromo-; Tetrabromo(tetrabromophenyl)benzene; [ChemIDplus]
White solid; [HSDB]
Used in flame retardants; Commercial product was mixture of four or more polybrominated biphenyls; In two commercial products tested, nonabromobiphenyl was found in higher percentage than octabromobiphenyl; [HSDB]
Emergency medical treatment: see PCB-PBB; A skin, eye, and mucous membrane irritant; Mildly irritating to rabbit conjunctivae; Feeding studies with rats have demonstrated adverse histological changes to liver; No evidence of chloracne in 30 day study with rabbit ears; Not sensitizing to guinea pig skin; [HSDB] see "Polybrominated biphenyls."
Production discontinued in the US in 1979; [HSDB]
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