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[Chemical Knowledge]：Properties and Uses of Hydrogenated Xylene

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The nature and use
of hydrogenated xylene in the field of chemical production raw materials
1. Introduction

Hydrogenated xylene is an important chemical raw material, widely used in medicine, pesticides, dyes, spices and other fields. It is a compound produced by the reaction of benzene and methanol under the action of acidic catalyst, and has unique chemical and physical properties. In this paper, the properties and uses of hydrogenated xylene will be described in detail.

2. Hydrogenated xylene Properties

1. Chemical Properties

Hydrogenated xylene molecules contain benzene rings and methoxyl groups, so that it has some special chemical properties. For example, it can be esterified, etherified, substituted, etc. with alcohols, acids, bases, etc., to form a series of derivatives. In addition, the hydrogenated xylene is also reductive and can be oxidized to form compounds such as benzoic acid.

2. Physical Properties

Hydrogenated xylene is a colorless transparent liquid with aromatic odor. It has a higher boiling point, higher density than water, insoluble in water, but can be miscible with many organic solvents. These physical properties make hydroxylenes require special care during storage and transportation.

3. hydrogenated xylene use

1. pharmaceutical intermediates

hydrogenated xylene is an important pharmaceutical intermediates, can be used for the synthesis of a variety of drugs. For example, it can react with methyl chloride to form anisole and further synthesize the anti-inflammatory drug methyl benzoate. In addition, hydrogenated xylene can also be used for the synthesis of anti-tuberculosis drugs isoniazid.

2. Pesticide raw material

Hydrogenated xylene is also a common pesticide raw material, which can be used to synthesize a variety of pesticides, fungicides and herbicides. For example, it can react with chlorine to generate chlorinated anisole, and further synthesize the broad-spectrum fungicide carbendazim.

3. Dye and perfume

Hydrogenated xylene can also be used to synthesize dyes and perfumes. For example, it can react with phenol to form anisole, and further synthesize the dye acid red G. At the same time, hydrogenated xylene itself is also a commonly used spice, with a strong aromatic odor.

4. conclusion

Hydrogenated xylene as an important chemical raw material has a wide range of applications in the fields of medicine, pesticides, dyes and spices. Understanding its nature and use is of great significance for the rational use of resources, the improvement of production efficiency and the protection of human health and ecological environment. In the future, with the continuous development of science and technology, the application of hydrogenated xylene in the field of chemical production raw materials will be more extensive, and we need to continue to explore and innovate to meet the growing needs of human beings.

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