Chemical formula: (С6Н5)2NН
International name: Diphenylamine
CAS No: 122-39-4
Qualification: Import
Appearance: white crystalline powder
Packing: bags, 25 kg
Storage conditions: in a dry, well - ventilated area
Synonyms: N-phenylaminobenzene

We offer Diphenylamine from the warehouse at favorable prices with delivery throughout Russia.


(C6H5)2NH, % ≥99,7
Aniline, % 152-156
Solidification temperature, oC ≥52,6
Insoluble (in alcohol) residue ≤0,05
Moisture, % ≤0,2



Diphenylamine – colorless crystals that darken on exposure to light. Easily soluble in diethyl ether, benzene, acetone, carbon tetrachloride.

Warranty shelf life – 1 year.

Appearance White crystals
Density 1,0513 gr/cm3 (25 oC)
Melting temperature 54-55 oC
Boiling temperature 302 oC
Flash temperature 307 oC
Solubility ¾     In water 0,03 gr/100 ml

¾     In ethanol  44 gr/100 ml

¾     In methanol  57,5gr/100 ml


Diphenylamine is used:

  • For the production of antioxidants for polymers.
  • As a stabilizer and phlegmatizing agent for thermal and weather resistance of cellulose nitrates, including pyroxiline powders.
  • In the synthesis of triarylmethane and azo dyes, insecticides.
  • As a corrosion inhibitor for mild steels.