Production principle and technical formula of m-chloroaniline

M-chloroaniline (m-chloroaniline), also known as 3-chloroaniline, m-amino chlorobenzene, has a molecular formula of C ₆ H ₆ CIN, a molecular weight of 127.
57, and a structural formula of

Its hydrochloride is also called orange base GC (fast orange GCbase), orange bass GC
.

1.
Product performance

Colorless to light amber liquid, the color becomes darker when exposed to light or long-term storage; density 1.
2161g/cm ³ , boiling point 230～210℃, 101℃ (1.
33kPa), freezing point -10.
4℃; insoluble in water, soluble in acid solution , Ethanol and ether ; easily oxidized; toxic, can cause poisoning through the respiratory system or skin
.

2.
Production principle

M-chloronitrobenzene is reduced with iron powder in the presence of ferrous sulfate , and then separated to obtain the product
.

3.
Process flow

4.
Technical formula (kg/t)

5.
Main equipment

Reduction reaction kettle, vacuum distillation kettle, storage tank, steam distillation of gold
.

6.
Production process

Add 850L of water, 700kg of iron filings and 70kg of ferrous sulfate to the reduction reaction kettle, stir and raise the temperature to 95°C, add 600kg of m-nitrochlorobenzene dropwise within 5h, and control the reaction temperature at 100-102°C
.

Related links: production process and product standards of o-tolidine