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[Chemical Knowledge]：Properties and Uses of Diethylbenzene

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Diethylbenzene is an organic compound with many important properties and uses. In the field of chemical production raw materials, diethylbenzene is often used as a solvent, additive and reaction intermediate. This article will detail the properties and uses of diethylbenzene.

1. diethylbenzene properties

1. Physical properties
diethylbenzene is a colorless transparent liquid with aromatic odor. Its boiling point is 181~183 ℃, melting point is -46.7 ℃, relative density is 0.86, insoluble in water, but miscible with many organic solvents.

2. Chemical properties
the chemical properties of diethylbenzene are relatively stable, but some chemical reactions can occur under certain conditions. For example, it can undergo a substitution reaction with halogen, nitric acid, sulfuric acid, etc. to produce the corresponding derivative. In addition, diethylbenzene can also be hydrogenated under the action of high temperature, high pressure and catalyst to produce ethylcyclohexane.

2. Diethylbenzene Uses

1. Solvent
Diethylbenzene is a commonly used solvent that can be used to dissolve many organic compounds. It is widely used as a solvent in coatings, inks, rubber, plastics and other industries, which can improve the quality and performance of products.

2. Additive
Diethylbenzene can be used as a gasoline additive, which can improve the octane number and combustion performance of gasoline, and reduce engine carbon deposits and wear.

3. reaction intermediate
diethylbenzene is also the intermediate of many chemical reactions, which can be used to synthesize many important chemical raw materials and fine chemicals. For example, it can be used to produce ethylbenzene, styrene, phenol, etc.

In short, diethylbenzene is an important chemical raw material with a wide range of uses. In the future chemical production, with the continuous progress of technology and the continuous expansion of application fields, the use of diethylbenzene will be more extensive.

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