... delivery 3. Purity: 99% [Product Name]: 1,2,5,6,9,10-Hexabromocyclododecane[C A S]: 3194-55-6[Molecular Formula]: C12H18Br6 [ ... [Properties]: white crystal powder, bromine content is 74.71%; density 2.36g/cm3, has excellent thermal stability, good dispersibility. [Safety Notes ... have got a very good reputation in the international market! 1,2,5,6,9,10-Hexabromocyclododecane (HBCD)