Fine Chemicals

 

Name
98% Cartap 

Molecular formula
C7H15N3O2S2 
Alias name
Padan 
Application
A pesticide featuring advantages of high efficiency, broad-spectrum, low toxicity and residue, etc, and effects by absorption, stomach poison, contact poison, etc. Used for control of rice stem borer, rice leaf roller, rice skipper, rice leaf miner, chlorops oryzae and vegetable caterpillar, vegetable butterflies, pear borer, citrus leafminer, etc. Dosage: 30-50g of raw pesticide per mu. 
Character
White powder. Melting point: 179-181℃. Soluble in water, slightly soluble in methanol and ethanol and insoluble in acetone, ether, ethyl acetate, chloroform, benzene and other organic solvents. The pH of 1% aqueous solution is 3-4. Stable at room temperature and under acidic conditions, and instable under alkaline conditions. 
Production methods
It is prepared through amination of chloropropene by dimethylamine, chlorination by chlorine and thiocyanation by sodium hyposulfide and sodium cyanide. 
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