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Pesticide Intermediates

Product categories of Pesticide Intermediates, we are specialized manufacturers from China, Pesticide Intermediates, Calcium Cyanamide Fertilizer suppliers/factory, wholesale high-quality products of Granular Calcium Cyanamide R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
Calcium cyanamide for Pesticide Insecticide
  • Brand: YDchem
  • Packaging: 25\1000\1200kg/bag
  • Supply Ability: 1000/month
  • Min. Order: 1 Metric Ton
  • Model No.: Particles or powders
Calcium cyanamide can be used as insecticides, effectively kill the root nematode, protecting the crop growth. Main function:Calcium cyanamide can improve the soil,regulate the pH of the soil and improve yields.Calcium cyanamide can kill the weeds...
China Pesticide Intermediates Suppliers

Dicyandiamide.Calcium cyanamide can be used as a pesticide intermediate

For many years the most important commercial process was via heating dicyanodiamide ([dicy"), either with ammonia or on its own, under pressure. The [dicy" is prepared by heating cyanamide solution at 70–80 °C. The cyanamide itself is prepared from calcium cyanamide:
Heated [dicy" to just above its melting point (209 °C) results in a vigorous exothermic reaction, producing some melamine and ammonia together with a number of complex water-insoluble deammoniation products:
In order to achieve a high yield of melamine in the commercial process, the reaction is carried out in the presence of ammonia at about 300 °C under pressure.

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