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[Chemical Knowledge]：Properties and Uses of Terephthalic Ether

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Terephthalic ether is an important organic compound, which is widely used in the field of chemical production raw materials. It has many unique properties and uses, and plays an important role in the development of modern chemical industry.

1. properties of terephthalic ether

1. physical properties
of terephthalic ether is a colorless transparent liquid with aromatic odor. It has a high boiling point of 170 ℃ and a low melting point of -28 ℃. It is insoluble in water, but can be miscible with many organic solvents, such as ethanol, ether, acetone and so on.

2. chemical properties
the chemical properties of terephthalic ether is relatively stable, not easy to occur oxidation, reduction and other reactions. However, under the conditions of high temperature, high pressure and the presence of catalysts, it can undergo some chemical reactions, such as esterification with alcohols, to generate the corresponding esters.

2. the use of terephthalic ether

1. Used as a solvent
of terephthalic ether is an excellent organic solvent, can be used to dissolve many organic substances, such as resin, grease, rubber and so on. It has a wide range of applications in coatings, inks, adhesives and other fields.

2. Used as a plasticizer
Terephthalic ether can be used as a plasticizer for plastics, which can improve the flexibility, ductility and processability of plastics. It is widely used in plastic products, such as wire and cable, artificial leather, plastic products, etc.

3. Used as a synthetic intermediate
Terephthalic ether can be used as an intermediate in many chemical synthesis reactions for the synthesis of many important organic compounds, such as esters, ethers, acids, etc. The production method of

3.

There are two main production methods of terephthalic ether: one is through the reaction of phenol and dimethyl sulfate; the other is through the reaction of phthalic anhydride and methanol. Both of these methods yield high quality terephthalic ether products.

In conclusion, terephthalic ether is an important raw material for chemical production, which has a wide range of uses and development prospects. With the continuous development of modern chemical technology, the application field of terephthalic ether will continue to expand.

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