Products
Product Details
Chemical properties
2-Chloroacrylonitrile is a colorless liquid, B .p.87~90 ℃,n20D1.432, relative density 1.10, insoluble in water, soluble in carbon tetrachloride, ether and other organic solvents.
Use
2-Chloroacrylonitrile is an important pharmaceutical and pesticide intermediate, an intermediate of the insecticide pyrethroid and an intermediate of the herbicide thiensulfuron.
Use
Used as pesticide, pharmaceutical intermediates
Production method
The preparation method is that acrylonitrile and chlorination catalyst are added into a four-necked flask equipped with stirring, thermometer and condenser tube, chlorine gas is introduced into the reaction solution under the conditions of ice water bath cooling and stirring, the reaction system is controlled at 30-35 ℃, chlorine gas is introduced for about 4h, the chlorination end point is tracked by GC, and stirring is continued for 1h, and the obtained reaction solution is dichloro Chemicalbook propionitrile. The above reaction liquid is added into a flask with a stirring thermometer and a porcelain ring packing column, a little polymerization inhibitor is added, stirred and heated, the temperature is 105-110 ℃, reflux is started, the kettle temperature is controlled to 110-130 ℃, elimination reaction is carried out and fractionation is carried out at the same time, the top temperature is 85 ℃, and the collected fraction is the finished product.
Category
Flammable liquid
Related Products
If you have any questions, please feel free to contact us,We will contact you as soon as possible.
