1,2-DIMETHYLHYDRAZINE 1,2-DMH 1,2-Dimethyl-hydrazine 1,2-Dimethylhydrazin [German] 4-04-00-03323 (Beilstein Handbook Reference) 540-73-8 BRN 1730826 CCRIS 259 DMH Dimethylhydrazine, symmetrical [UN2382] [Poison] HSDB 4039 Hydrazine, 1,2-dimethyl- Hydrazomethane N,N'-Dimethylhydrazine RCRA waste no. U099 RCRA waste number U099 SDMH Symetryczna dwumetylohydrazyna [Polish] Symmetrical-dimethylhydrazine UN2382 sym-Dimethylhydrazine