Chemical Name: Dimethyl Disulfide ( DMDS ) Other name: CH3S)2;(Methyldisulfanyl)methane;(Methyldithio)methane;2,3-dithiobutane;ai3-25305;dimethyldisulfane;Disulfide,dimethyl disulfide. CAS: 624-92-0 EINECS No.: 210-871-0 Formula: C2H6S2 Molecular Weight: 94.2 Purity: 99.7% Appearance: Colorless or light yellow liquid Dimethyl disulfide is a synthetic, insoluble in water, colorless or light yellow chemical reagent with toxicity. urity 99.5%min Appearance colorless or light yellow liquid Methyl Mercaptan 0.015% Sulphur 68.08% Specific gravity(20/4C) 1.062 Water content 0.06% max Melting point -84.72C Flash point(CC) 16C Boiling point 108-110C