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Product name 4-nitroaniline
Synonyms p-nitroaniline
Azoamine Red 2H Base
GOST no data
CAS 100-01-6

4-Nitroaniline is a yellow crystalline solid. It is readily soluble in hot water, ethanol, diethyl ether, benzene, acetone, chloroform, but has a low solubility in cold water.


4-Nitroaniline is produced by interaction of p-nitrochlorobenzene with 40% ammonia solution in water at 170-197°C and 5 MPa. Reaction lasts for 4-7 hours.


4-Nitroaniline is applied:

  • as diazo component to produce insoluble azo dyes directly on textile fibers (Azoamine Red 2H);
  • as an intermediate in manufacture of disperse and anionic dyes, pigments, optical bleaching agents;
  • in preparation of p-phenylenediamine, 2-chloro-4-nitroaniline, 2,6-dichloro-4-nitroaniline;
  • as a corrosion inhibitor;
  • in preparation of antioxidants, fuel additives, pesticides, antiseptic agents, medicines for poultry and pharmaceutical synthesis;

  • Manufacturer(s) JSC M.V. Frunze Zavolzhsky chemical plant
    Chemical structure of 4-nitroaniline

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