Aromatic chemical products are an important class of compounds in the field of petrochemical industry and have a wide range of applications. Aromatic hydrocarbons refer to hydrocarbons containing benzene rings in their molecular structure. According to their molecular structure and properties, aromatic hydrocarbon chemical products can be divided into many categories. The following is a detailed description of the types of aromatic chemical products:

1. simple aromatics

1. Benzene: is a simple aromatic hydrocarbon with a benzene ring structure.

2. Toluene and ethylbenzene: have one methyl and one ethyl substituent attached to the benzene ring, respectively.

2. aromatic hydrocarbon derivatives

1. Halogenated aromatic hydrocarbon: A compound formed by replacing a hydrogen atom in an aromatic hydrocarbon by a halogen atom, such as chlorobenzene.

2. Alcohols: Compounds formed after the hydrogen atoms in aromatic hydrocarbons are replaced by hydroxyl groups, such as phenol.

3. Ketone aromatics: aromatic derivatives containing a ketone group, such as acetophenone.

4. Aldehyde aromatics: aromatic hydrocarbon derivatives containing aldehyde groups, such as benzaldehyde.

5. Ester aromatics: aromatic esters formed by the reaction of organic acids with alcohols, such as methyl benzoate.

III. Polycyclic Aromatic Hydrocarbons

1. Naphthalene: a compound having two benzene rings.

2. Biphenyl and diphenyl ether: compounds formed by two or more benzene rings connected by carbon-carbon single bonds.

4. polycyclic aromatic hydrocarbons

Such as anthracene, phenanthrene, etc., these compounds are formed by multiple benzene rings sharing adjacent carbon atoms, with unique physical and chemical properties. They are mainly used in industry for the manufacture of dyes, pesticides and some special materials.

Polymers and oligomers of 5. aromatic hydrocarbons

Such as aromatic polyamide, aromatic polyester, etc. These polymer compounds have excellent mechanical properties, thermal stability and chemical stability, and are widely used in aviation, automotive, electronics, construction and other fields.

6. other special types of aromatic products

Including alkylated aromatics, nitrated aromatics, etc. Alkylated aromatics are prepared by alkylation reaction and have excellent solvent performance and chemical stability. Nitrated aromatic hydrocarbons have some special chemical properties and applications, such as the manufacture of explosives.

Application of 7. in life and industry

These aromatic chemical products have a wide range of applications in daily life and industrial production. For example, benzene, toluene, and xylene are important raw materials for the manufacture of products such as plastics, resins, rubber, pesticides, pharmaceuticals, and coatings. Naphthalene is used in the manufacture of spices and preservatives, and biphenyl is used in the manufacture of high temperature heat transfer oil. In addition, aromatic chemical products are also widely used in energy, transportation, electronics, aerospace and other fields.

8. Summary

Aromatic chemical products have a wide variety of applications. With the continuous development of petrochemical technology, the production scale and application field of aromatic chemical products will continue to expand. In order to further understand these compounds, we need to further study their synthesis methods, characterization and application potential in different fields. At the same time, we should also pay attention to the safety and environmental protection of these compounds in the production and use process to achieve sustainable development.