1,4-Dibromo-2-(2-bromophenyl)benzene with CAS number of 1,4-Dibromo-2-(2-bromophenyl)benzene is also named as Pbb NO 18 ; 2,2',5-Tribromobiphenyl ; Pbb 18 ; 2,2',5-Tribromo-1,1'-biphenyl .