... C12H18Br6 Molecular Weight: 1,2,5,6,9,10-Hexabromocyclododecane (HBCD)CAS NO.: 3194-55-6Chemical Formula: C12H18Br6Molecular ... Weight: 641.7Application: HBCD is particularly suited for providing flame retardancy to ... extensively in the building and construction industry. HBCD additives exhibit high efficiency at low use ... 2 1,2,5,6,9,10-Hexabromocyclododecane (HBCD)