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[Chemical Knowledge]：Properties and uses of phenylacetonitrile

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Benzeneacetonitrile is an important organic chemical raw material, widely used in medicine, pesticides, dyes and other fields. This article will detail the nature, use and production process of phenylacetonitrile.

1. the nature of phenylacetonitrile

Phenylacetonitrile is a colorless or yellowish transparent liquid with a special pungent odor. It is insoluble in water, but miscible with organic solvents such as alcohols and ethers. The chemical properties of phenylacetonitrile are relatively stable, but it is prone to hydrolysis under acidic conditions. In addition, it can also occur addition, substitution, polymerization and other reactions to generate a series of important derivatives.

2. the use of benzene acetonitrile

1.

in the field of medicine benzene acetonitrile is an important pharmaceutical intermediates, can be used for the synthesis of antibacterial drugs, anticancer drugs, antiepileptic drugs and other drugs. For example, phenylacetonitrile can be synthesized penicillin drugs for the treatment of bacterial infectious diseases.

2.

in the field of pesticides Phenylacetonitrile is also a common pesticide intermediate, which can be used to synthesize pesticides, fungicides, herbicides and other pesticides. For example, phenylacetonitrile can synthesize benzoylurea insecticides, which have a control effect on a variety of pests.

3.

in the field of dyes Phenylacetonitrile is also widely used in the field of dyes and can be used to synthesize a variety of pigments and dyes. For example, phenylacetonitrile can synthesize phthalocyanine blue pigment, which has excellent light resistance and heat resistance.

3. the production process of phenylacetonitrile

There are many production methods of phenylacetonitrile, including cyanide, carbonyl synthesis, acetaldehyde, etc. Among them, cyanidation is a widely used production method at home and abroad. The method uses benzene and acrylonitrile as raw materials, and the cyanation reaction is carried out under the action of a catalyst to produce phenylacetonitrile. The specific production process is as follows:

1. Benzene and acrylonitrile are mixed in a certain proportion, the catalyst is added, and the temperature is raised to the reaction temperature.
2. Under the action of stirring, the reactants are fully contacted, and cyanation reaction occurs to generate phenylacetonitrile.
3. After completion of the reaction, operations such as cooling, separation and purification were carried out to obtain a phenylacetonitrile product with high purity.

, it should be noted that the production process of phenylacetonitrile involves toxic and harmful chemicals, which requires strict safety measures and environmental protection requirements. Therefore, it is necessary to strengthen safety management in the production process to ensure the smooth progress of the production process.

In conclusion, as an important organic chemical raw material, phenylacetonitrile is widely used in medicine, pesticide, dye and other fields. Understanding the nature and use of phenylacetonitrile and mastering its production process are of great significance for improving product quality, reducing costs and promoting industrial development.

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