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Product performance and production principle of 2-methyl-5-nitroaniline

 Last Update: 2021-08-29
 Source: Internet
 Author: User

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2-methyl-5-nitroaniline (2-methyl-5-nitroaniline ) , also known as big red group G, red bass, bass red flag, of the formula C _{.
7} H _{.
8} N ₂ O ₂ , molecular weight 148.
15, The structural formula is

1.
Product performance

Golden yellow crystal, melting point 107℃, insoluble in water, soluble in ethanol , ether , benzene and acetone , strong coupling ability, medium coupling rate
.

2.
Production principle

The big red group G is derived from the nitration of o-methylaniline
.
In order to protect the amino group from being oxidized in the nitration reaction, firstly react with sulfuric acid to generate sulfate , and then hydrolyze to remove sulfuric acid after nitration

Nitrification pot, dilution pot, hydrolysis pot, centrifuge, storage tank, drying box

Related links: Product performance and production process of N-methylcyclohexylamine

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