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[Chemical Knowledge]：Properties and Uses of 3-Nitro-o-Xylene

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3-Nitro-o-xylene (3-Nitro-o-xylene) is an organic compound, which belongs to a class of nitrobenzene compounds and has important industrial applications. The following is a detailed description of the properties and uses of 3-nitro-o-xylene.

1. properties

1. Physical properties
3-nitro-o-xylene is a colorless to pale yellow crystalline solid with a strong pungent odor. It has a melting point of 44-46°C, a boiling point of 245°C and a density of 1.26g/cm³. It is insoluble in water, but soluble in many organic solvents, such as ethanol, ether, acetone, etc.

2. chemical properties of
3-nitro-o-xylene nitro group (-NO2) to have a strong reactivity, can occur a series of chemical reactions, such as substitution reaction, addition reaction, reduction reaction. In addition, it also has good thermal stability and oxidation resistance.

2. Uses

1. Dye Intermediate
3-Nitro-o-xylene is an important dye intermediate, which can be used to synthesize various dyes, such as disperse dyes, reactive dyes, acid dyes, etc. These dyes are widely used in textile, printing and dyeing, leather and other industries.

2. pharmaceutical intermediates
3-nitro-o-xylene can also be used to synthesize some pharmaceutical intermediates, such as antibacterial drugs, anti-inflammatory drugs, etc. Further synthesis of these pharmaceutical intermediates can obtain some drugs for clinical use.

3. Pesticide intermediates
In addition, 3-nitro-o-xylene can also be used to synthesize some pesticide intermediates, such as pesticides, fungicides, etc. These pesticides are of great significance to agricultural production.

In conclusion, 3-nitro-o-xylene, as an important raw material for the production of chemicals, has been widely used in the fields of dyes, pharmaceuticals, pesticides and so on.

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