Fertilizer Grade Dicyandiamide As Dye Intermediates

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Introduction of Dicyandiamide
Dicyandiamide (C2H4N4) is an organic compound also known as a dimer in nylon manufacturing. It consists of two cyanoimine groups, each containing a nitrogen atom and a carbon atom. Dicyandiamide is a solid, colorless, odorless, and soluble in water and common organic solvents.
Dicyandiamide has a high melting point and thermal stability, and can be used to prepare high-performance nanofibers and polymeric materials. It is often used in the textile industry as a raw material for the synthesis of nylon, where Polymers are formed by reacting with another compound, amylenediamine. Nylon is a synthetic fiber with uniform structure, high strength and durability, and is widely used in textiles, plastics and rubber.
In addition, dicyanodiamine can be used to prepare other organic compounds such as pesticides, dyes and drugs. It also possesses the property of catalyst, and can be used as oxidizing agent, combustion catalyst and nitrogen removal agent in the chemical industry.
It should be noted that dicyandiamide is toxic and should be handled under proper laboratory conditions. When using or handling it, the relevant safety procedures should be followed.
Properties of Dicyandiamide
White rhombic crystalline powder, non-combustible. Relative density 1.400, melting point 207～209℃. Slightly soluble in water and ethanol, insoluble in ether and benzene. Dry dicyandiamide is stable in nature.
Uses of Dicyandiamide
Dicyandiamide, also known as DICY (Dicyandiamide), is a non-toxic, odorless, white crystalline substance. It has a wide range of applications in the chemical industry.
First, in the field of synthetic resins, DICY is used as an epoxy resin curing agent. When mixed with epoxy resins, dicyandiamide is able to trigger a curing reaction that causes the resin to form a strong 3D network structure, thus enhancing its mechanical properties, heat resistance and chemical stability. It is widely used in the fields of coatings, adhesives and composites.
Secondly, dicyandiamide can also be used as an Additive for nitrogen fertilizers and nitrogen-containing conditioners. When added to farmland as a nitrogen fertilizer, dicyandiamide can provide the nitrogen needed by plants and has a slow-release nitrogen effect, helping to improve crop yield and quality. In addition, in the livestock industry, dicyandiamide can be used as a synthetic precursor to thiazinyl urea in dairy products.
In addition, dicyandiamide is also used as an accelerator in the rubber industry. In the production process of Rubber Products, it can accelerate the vulcanization reaction of rubber and improve the heat resistance, aging resistance and strength of rubber.
Overall, dicyandiamide is a multifunctional compound, widely used in epoxy resin, nitrogen fertilizer, rubber and other industrial fields, playing an important role.

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(1)Water Treatment:The way of water treatment includes physical treatment and chemical treatment. Human water treatment methods have been quite a few years of history, physical methods, including the use of a variety of different pore size of the filter material, the use of adsorption or barrier way, the impurities in the water outside, adsorption method in the more important for the adsorption of activated carbon, barrier method is to pass the water through the filter material, so that the impurities of a larger size can not pass, and thus obtain cleaner water.

(2)Rubber Products are made of rubber raw materials for the rubber mixing machine after refining as raw materials, in the refining of rubber according to the characteristics of the required rubber products and design formulas, and set the required hardness of the product. The products are molded by rubber plate vulcanizing machine. After molding, the products are finally processed with flying edge to make the product surface smooth and burr-free.

(3)Intermediates：The chemical compound synthesized from simpler compounds and usually intended to be used in later syntheses of more complex products.A usually short-lived chemical species formed in a reaction as an intermediate step between the starting material and the final product.