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Product name 4-chloroaniline
Synonyms p-chloroaniline
GOST no data
CAS 106-47-8

p-Chloroaniline is colorless crystalline solid. It turns to dark on exposure to air. p-Cloroaniline is soluble in most organic solvents. Also it is partly soluble in water. It forms diazonium salt being treated with dilute HNO2 in dilute HCl.


p-Chloroaniline is manufactured by p-chloronitrobenzene hydrogenation on Pt catalyst at 50-100°C and 0.25-3 MPa.


  • in production of herbicides (e.g. monuron, diflubenzuron, monolinuron), bactericide and biocide agents (e.g., chlorohexidine, triclocarban);
  • in cosmetics (as an antimicrobial agent but banned in some countries);
  • as an intermediate in the production of agricultural chemicals, azo dyes and pigments (e.g., acid red 119, pigment red 184, pigment orange 44), and pharmaceuticals;

  • Manufacturer(s) no data
    Chemical structure of p-chloroaniline

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