1,2-dichlorobut-2-ene is a chemical compound registered under CAS number 13602-13-6, with the molecular formula C4H6Cl2 and a molecular weight of about 125 g/mol. Its EINECS (EC) number is 237-087-1. It is also known as 1,2-Dichloro-2-butene. DeWeiChem supplies 1,2-dichlorobut-2-ene for laboratory research and bulk production; product code 488500. Send an inquiry for purity, packaging, price and lead time.