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[Chemical Knowledge]：Properties and Uses of p-Nitroaniline

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abstract:

p-nitroaniline is an important organic compound, which is widely used in the field of raw materials for chemical production. p-nitroaniline is an important organic compound, which is widely used in the
of raw materials for chemical production. In this paper, the properties and uses of p-nitroaniline are discussed in detail in order to have a deeper understanding of it.

1. The properties of p-nitroaniline

1. Physical properties

p-nitroaniline is a yellow crystalline powder with a special smell. Its melting point is between 128-131 ℃, boiling point is 304 ℃, insoluble in water, but soluble in ethanol, ether, acetone and other organic solvents.

2. chemical properties

p-nitroaniline has strong reducibility and is easy to be oxidized. At the same time, it is also alkaline and can react with acids to form salts. In addition, p-nitroaniline can also undergo nitration, sulfonation, halogenation and other reactions.

2. of the use of nitroaniline

1. dye production

of nitroaniline is an important raw material in the production of dyes, can be used in the manufacture of yellow, orange, red and other dyes. For example, it can react with phenol to produce an orange-yellow azo dye.

2. pharmaceutical intermediates

of nitroaniline commonly used as pharmaceutical intermediates for the production of antibacterial drugs, anticancer drugs and other drugs. For example, it can be used to produce nitrofuran drugs, which have good inhibitory effects on bacteria, fungi, etc.

3. Pesticide Production

p-Nitroaniline can also be used in pesticide production, such as the production of fungicides, insecticides, etc. These pesticides are of great significance for the prevention and control of crop diseases and insect pests.

4. Other fields

In addition to the above fields, p-nitroaniline can also be used in the production of rubber auxiliaries, fragrances, etc. At the same time, it can also be used as an analytical reagent for chemical analysis and detection.

3. conclusion

In conclusion, p-nitroaniline as an important organic compound has a wide range of applications in the field of chemical production raw materials. Through the in-depth understanding of the nature and use of p-nitroaniline, we can better grasp its application in actual production and provide useful reference for the development of related fields.

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