Process for the production of diphenylamine

Details Process for the production of diphenylamine Process for the production of diphenylamine

C - Chemistry, Metallurgy

07

C

260/600.5

C07C 87/54 (1985.01)

Patent

CA 1272212

Abstract of the Invention Diphenylamine is produced by contacting aniline with an alumina catalyst having at least about 30 percent by volume of its total porosity in the form of pores having a diameter of between about 120 and about 200 Angstroms and sulfur content, as measured in the form of SO4, of less than 0.02 percent by weight at between about 380° and 475°C.

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