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The production principle and technological process of p-methyl o-nitroaniline

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

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P-Methyl o-nitroaniline is also called 2-nitro-4-methylaniline (2-nitro-4-methylaniline), red GL, molecular formula is C ₇ H ₈ N ₂ O ₂ , molecular weight is 152.
15, structural formula is

1.
Product performance

This product is orange-red powder or paste with a dry melting point of 112～114℃, soluble in ethanol and concentrated sulfuric acid
.

2.
Production principle

Use p-toluidine and p-toluenesulfonyl chloride as raw materials
.
It is obtained by acylation, condensation, nitration, hydrolysis, neutralization, filtration and drying

1) Acylation condensation

2) Nitrification

3) Hydrolysis

4) Neutralization

Condensation reactor, nitration reactor, hydrolysis pot, filter press, dilution pot, liquid storage tank (high tank), drying box

Related links: Production process and product standards of 2-methyl-5-nitroaniline

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