2,3-Dithiabutane 624-92-0 AI3-25305 CCRIS 2939 Dimethyl disulfide Dimethyl disulfide [UN2381] [Flammable liquid] Dimethyl disulphide Dimethyldisulfide Disulfide, dimethyl EINECS 210-871-0 FEMA No. 3536 HSDB 6400 METHYL DISULFIDE Methyl disulfide (8CI) Methyldisulfide Methyldithiomethane NSC 9370 UN2381