1,2,4-tribromo-5-iodobenzene

2,4,5-Tribromoiodobenzene is an intermediate in the synthesis of 2,2'',4,4'',5,6''-Hexabromodiphenyl ether (H290745), which is a hepatotoxic polybrominated diphenyl ester (PBDE) that is commonly used as a flame retardant. 2,2'',4,4'',5,6''-Hexabromodiphenyl ether is also sometimes found in food and meats as well, posing a significant risk to humans (especially during pregnancy) and/or animals that consume it. One of the new POPs under the Stockholm Convention