1,4-Dioxane, 2,3-dichloro- 2,3-DICHLORO-1,4-DIOXANE 2,3-Dichloro-p-dioxane 2,5-Dichloro-p-dioxane 95-59-0 AI3-26714 EINECS 202-435-3 HSDB 5292 NSC 2293 p-Dioxane, 2,3-dichloro- p-Dioxane, 2,3-dichloro- (8CI)