Tetramethylthiuram Disulfide
Tetramethylthiuram Disulfide is a kind of organic compound, for the white crystalline powder, insoluble in water, dilute caustic soda, gasoline, slightly soluble in ethanol, ether, soluble in benzene, acetone, chloroform, carbon tetrachloride, carbon disulfide, dichloroethane, co-heat with water to produce dimethylamine and carbon disulfide, Mainly used as fungicide, insecticide, mildew inhibitor, nitrile rubber and other adhesive promoters, lubricating oil additives, soap antibacterial agent and deodorant.
Product Details
Chemical formula: C6H12N2S4
Molecular weight: 240.433
CAS no. : 137-26-8
Chemical properties：
Pure product is colorless crystal, no smell. M.p. 155 ~ 156℃, relative density 1.29. Easily soluble in benzene, chloroform (230g/L), acetone (80g/L, Chemicalbook carbon disulphide and other organic solvents, slightly soluble in ether and ethanol (& LT; 10g/L), insoluble in water (30mg/L). It breaks down in acid. Industrial product is white or light yellow powder, M.P. 146℃ above.
Toxicity：
The acute oral LD50 of rats was 780-865 mg/kg.
Acute oral LD50 of mice is 1500 ~ 2000mg/kg.
It has a stimulating effect on the mucous membrane and skin, and has an allergic reaction to drinking alcohol in long-term contact.
Carp LC50 was 4mg/L.
Usage：
It is a broad spectrum protective fungicide with a residual effect of about 7 days. It is mainly used to treat seeds and soil, control powdery mildew, smut and rice seedling blight of cereal crops, and also can be used for some fruit trees and vegetable diseases. If 500g of 50% wettable powder is used for seed mixing, it can prevent rice blast, rice leaf spot, barley and wheat smut.
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