1,2-BIS(2-CHLOROPHENYL)-HYDRAZINE 1,2-Bis(2-chlorophenyl)hydrazine 2,2'-Dichlorohydrazobenzene 782-74-1 EINECS 212-314-7 HSDB 5753 Hydrazine, 1,2-bis(2-chlorophenyl)- Hydrazobenzene, 2,2'-dichloro-