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[Chemical Knowledge]：What are the upstream raw materials for coking benzene? What are the downstream products?

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Coking benzene has an important position in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. This article will detail the upstream and downstream related products of coking benzene, including the main production raw materials, intermediate products and final products.

1. coking benzene production raw material

coking benzene production raw material is mainly coal tar. Coal tar is a by-product produced in the coking process of coal, which contains benzene, toluene, xylene and other aromatic compounds. Coking benzene can be obtained by distillative separation of coal tar.

2. of coking benzene intermediate products

1 nitrobenzene
of nitrobenzene is one of the important intermediate products of coking benzene. Nitrobenzene can be prepared by the reaction of coking benzene and nitric acid, which is widely used in dyes, pharmaceuticals, pesticides and other fields.
2. Aniline
Aniline is another important intermediate product of coking benzene. Aniline can be prepared by the reaction of coking benzene and ammonia for the production of rubber, plastics, dyes and other products.

3. the final product of coking benzene

1. Maleic anhydride
maleic anhydride is a compound prepared by the further reaction of nitrobenzene, which can be used to produce unsaturated polyester resins, plasticizers and other products.
2. Phenol
Phenol is an important organic chemical raw material, which can be prepared by coking benzene oxidation. Phenol is widely used in the production of phenolic resin, bisphenol A, caprolactam and other products.
3. Cyclohexanone
Cyclohexanone is an organic solvent and chemical intermediate, which can be prepared from coking benzene through a series of reactions. Cyclohexanone is used in the production of nylon, adipic acid and other products.

In short, coking benzene has a wide range of applications in the field of chemical production raw materials, its upstream and downstream related products include nitrobenzene, aniline and other intermediate products and maleic anhydride, phenol, cyclohexanone and other final products. These products have important applications in plastics, rubber, dyes, pharmaceuticals, pesticides and other fields.

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