Simetyrn is an methylthiotriazine based herbicide used in rice paddy.

Appearance and properties: white crystal

Density: 1.18g /cm3

Boiling point: 393.2oC at 760 mmHg

Melting point: 82-83°C

Flash point: 191.6oC

Refractive index: 1.566

Storage conditions: the warehouse is ventilated and dry at low temperature, and stored and transported separately from food raw materials

Vapor pressure: 2.17E-06mmHg at 25°C

Production method

Under a certain pressure and in the presence of sodium hydroxide, Simazine and sodium methimercaptan were used for refluxreaction at 70 ~ 75℃ for 3h, cooling crystallization, washing and drying to obtain Simazine net, and solvent recoverytreatment.

Use

It is a selective suction-conducting herbicide, mainly used for rice, but also for corn, soybean, wheat, peanut, cotton and so on.