1,1,2,3,4,4-Hexachloro-1,3-butadiene 1,3-Butadiene, 1,1,2,3,4,4-hexachloro- 1,3-Butadiene, hexachloro- 1,3-Hexachlorobutadiene 4-01-00-00988 (Beilstein Handbook Reference) 87-68-3 AI3-05773 BRN 1766570 C 46 C-46 CCRIS 326 Dolen-pur EINECS 201-765-5 GP-40-66:120 HCBD HEXACHLORO-1,3-BUTADIENE HSDB 2870 Hexachlor-1,3-butadien [Czech] Hexachlorobuta-1,3-diene Hexachlorobutadiene Hexachlorobutadiene [UN2279] [Poison] NSC 3701 Perchlorobutadiene RCRA waste no. U128 RCRA waste number U128 UN2279