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

Read： 482 Time：16months ago Source：Transform the World with Simplicity

Tetramethylene plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The following is a detailed description of the upstream and downstream associated products of mesitylene.

1. Upstream product
The upstream raw materials for
are mainly petroleum and coal. Through the process of petroleum cracking and coal tar distillation, the raw material of mesitylene-mixed aromatics can be obtained. Mixed aromatics contain a variety of aromatic compounds, including mesitylene.

In addition, mesitylene can also be produced by a chemical synthesis method, for example, by a disproportionation reaction of toluene or an isomerization reaction of xylene.

2. Downstream product

As an important organic chemical raw material, its downstream products are also very extensive. The following lists some of the main downstream products:

(1) pyromellitic acid dianhydride (PMDA)

tetramethylbenzene can be prepared by oxidation, cyclization and other reactions, which is an important polymer material monomer, which can be used to produce high temperature resistant, corrosion resistant, high strength polymers, such as polyimide (PI).

(2) pyromellitic acid (PMDC)

tetramethylbenzene through oxidation reaction to generate pyromellitic acid (PMDC), is also an important organic chemical raw material, can be used in the production of dyes, pharmaceutical intermediates and so on.

(3) trimellitic anhydride (TMA)

trimellitic anhydride (TMA), which is an important raw material for the production of plasticizers, heat-resistant resins, etc.

In addition to the products listed above, mesitylene can also be used to produce many other organic chemical raw materials, such as phenols, ketones, amines, etc.

In short, all four toluene in the field of chemical production raw materials has a wide range of applications, its upstream and downstream related products are very rich.

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