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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 in...
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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