... ,mainly used in PP,ABS,AS and PVC. Tetrabromobisphenol A bis (2,3-dibromopropyl ether) :Appearance: white powder or particle Bromine content ... CCAS accession number: 21850-44-2Volatile component: less than 0.3%Thermolysis temperature :more than 250 °C Acetone insoluble: less than ... also together with hexabrcmocyclododecane,having a synergistic effect Tetrabromobisphenol A bis (2,3-dibromopropyl ether)