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[Chemical Knowledge]：Properties and Uses of Toluene

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Toluene is an important chemical raw material, which is widely used in various fields. This article will detail the properties and uses of toluene.

1. the nature of toluene

Toluene is a colorless and transparent, aromatic smell of liquid, belonging to aromatic hydrocarbon compounds. It has the following properties:

1. Physical Properties

Toluene has a boiling point of 110.6°C, a melting point of -95°C, a relative density of 0.866°C, and is insoluble in water, but it can be miscible with many organic solvents.

2. chemical properties

the chemical properties of toluene is more active, can be substituted, addition, oxidation and other reactions. Among them, the hydrogen atom on the methyl group of toluene may be substituted to produce various methyl derivatives. In addition, toluene can also be chlorinated side chain reaction to generate benzyl chloride, benzyl chloride and benzyl chloride.

2. the use of toluene

toluene as an important chemical raw material, widely used in various fields, its main uses are as follows:

1. solvent

toluene can be used as a solvent for coatings, inks, rubber, resins and other chemical products in the production. In addition, toluene can also be used in the production of cleaning agents such as cleaning agents and degreasers.

2. organic synthesis

toluene can be used for organic synthesis, such as the production of phenol, benzoic acid, aniline and other compounds. In addition, toluene can also be used to produce some pesticides, pharmaceutical intermediates and dyes.

3. Fuel additive

Toluene can be used as a fuel additive to increase the octane number of gasoline and improve the performance of automobile engines.

In short, as an important raw material for the production of chemicals, toluene has been widely used in various fields. When using toluene, it is necessary to pay attention to its toxicity and flammability, and take safety precautions.

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