Basic information: Chinese name: accelerator TMTD, accelerators T, disulfide, bis (thiocarbonyl dimethylamine: N, N- tetramethyl disulfide amine carbonyl disulfide, tetramethylthiuram disulfide, thiram, vulcanization accelerator TMTD , dithio tetramethyl thiuram rubber accelerator TMTD, N, N'- tetramethyl-dithiobis thiocarbonyl amine, the T accelerator, accelerator TMTD-II, accelerator TT, disulfide bis (thio carbonyl dimethylamine), tetramethyl disulfide, thiuram, Sail scattered four methylthio peroxydicarbonate diamide, tetramethylthiuram disulfide, tetramethyl thiuram disulfide Physical and Chemical Properties: Appearance Properties: white or gray, with special smell, crystalline powder. Solubility: soluble in toluene, acetone, dichloroethane, carbon disulfide, ethanol, slightly soluble in ethanol, insoluble in water, soluble in dilute alkali, gasoline, soluble in alcohol, benzene, chloroform, carbon disulfide. Stability: does not absorb moisture. Dust can form explosive mixtures with air. Toxicity: a certain toxicity, LD50 865mg / kg, have a stimulating effect on the skin, respiratory tract, avoid inhalation of dust and contact with skin and eyes.