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[Chemical Knowledge]：Properties and uses of m-cresol

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The properties and uses
of m-cresol
1. Introduction

m-cresol, also known as 3-methyl phenol or m-cresol, is an important raw material for the production of chemicals. It has unique chemical properties and a wide range of uses, especially in fine chemicals, pharmaceuticals, pesticides and other fields play an important role. In this paper, the properties and uses of m-cresol are discussed in detail.

2. the properties of m-cresol

1. physical properties: m-cresol is a colorless or yellowish transparent liquid with a special smell. Its boiling point is 202.3 ℃, melting point is -8.6 ℃, relative density is 1.039, insoluble in water, but soluble in ethanol, ether, acetone and other organic solvents.
2. Chemical properties: the phenolic hydroxyl and methyl of m-cresol make it have active chemical properties and are prone to substitution, oxidation, condensation and other reactions. For example, m-cresol can undergo a condensation reaction with aldehydes to produce phenolic resins, and an esterification reaction with acid anhydrides to produce phenolic acid esters, etc.

3. of the use of m-cresol

1. fine chemical field: m-cresol can be used to produce a variety of fine chemical products, such as pesticides, pharmaceutical intermediates, spices and so on. For example, m-cresol reacts with formaldehyde to produce m-cresol formaldehyde resin, an important pesticide intermediate that can be used in the production of fungicides and insecticides.
2. Pharmaceutical field: m-cresol has a wide range of applications in the pharmaceutical field and can be used as raw materials for the production of a variety of drugs. For example, m-cresol can be used in the production of anti-inflammatory drugs, anti-cancer drugs, etc. In addition, m-cresol can also be used in the preparation of medical devices and disinfectants.
3. Pesticide field: m-cresol can be used as a pesticide intermediate for the production of a variety of pesticides, fungicides and herbicides. For example, m-cresol reacts with formaldehyde and sulfuric acid to produce m-cresol sulfate, a broad-spectrum fungicide that has a control effect on a variety of plant pathogens.
4. Other fields: In addition to the above fields, m-cresol can also be used in the production of dyes, antioxidants, etc. In addition, m-cresol can also be used to prepare a variety of functional materials, such as ion exchange resins, adsorbents, etc.

4. conclusion

In conclusion, m-cresol, as an important raw material for chemical production, has a wide range of uses and important application value. With the continuous development of science and technology, the application of m-cresol in various fields will be more in-depth and extensive.

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