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[Chemical Knowledge]：Properties and Uses of Mixed Xylene

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Mixed xylene is an important raw material for chemical production, which is widely used in medicine, pesticides, dyes, spices, plastics, synthetic fibers and other fields. This article will detail the nature and use of mixed xylene.

1. the nature of mixed xylene

mixed xylene is a colorless transparent liquid, aromatic hydrocarbon odor. It is insoluble in water, but is miscible with organic solvents such as alcohols, ethers, acetone, etc. The boiling point of mixed xylene is between 136-140 ℃, and the flash point is below 25 ℃, which belongs to flammable and explosive substances. In addition, mixed xylene is also toxic, long-term exposure or inhalation can lead to poisoning.

2. the use of mixed xylene

1. medical field

mixed xylene in the field of medicine is widely used as a solvent and raw material. It can be used in the production of drugs, vitamins, antibiotics, etc., can also be used as pharmaceutical excipients and preservatives.

2. pesticide field

mixed xylene in the field of pesticides are often used as solvents and carriers for the production of pesticides, fungicides, herbicides and other pesticides. In addition, the mixed xylene can also be used as an intermediate for the manufacture of pesticides.

3. Dye field

mixed xylene is often used as a solvent and raw material in the dye field for the production of various dyes. For example, it can be used to produce disperse dyes, reactive dyes, acid dyes, etc.

4. perfume field

mixed xylene is often used as a solvent and blending agent in the field of perfume, and is used to produce various perfumes. It can also be used to modulate flavors and improve the volatility and stability of flavors.

5.
in the field of plastics and synthetic fibers
mixed xylene is often used as raw materials and solvents in the field of plastics and synthetic fibers for the production of various plastic products and synthetic fibers. For example, it can be used to produce polyester, phenolic resin, acrylic resin and other plastic products.

In short, mixed xylene is an important raw material for chemical production and has a wide range of applications. When using mixed xylene, it is necessary to pay attention to its flammable, explosive and toxic properties, and take corresponding safety measures to ensure the safety of the production and use process.

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