Title:
METHOD AND APPARATUS FOR DIAZOTATING AMINE
Document Type and Number:
Japanese Patent JPS54115329
Kind Code:
A
Abstract:
A process for the diazotisation of a heterocyclic or a weakly basic benzenoid amine which comprises reacting together in a continuous manner, in a reaction zone from which a product stream containing diazotised amine is continuously removed, the amine and an aqueous solution of nitrite ions in the presence of sulphuric acid, the proportions and concentrations of the amine, the aqueous solution of nitrite ions and the sulphuric acid being so arranged as to provide a working acid concentration in the reaction zone in which the diazotised amine is stable.
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Inventors:
JIYON HIISUKOOTO AZAATON
IAN HOTSUJIKINSON
IAN HOTSUJIKINSON
Application Number:
JP1512879A
Publication Date:
September 07, 1979
Filing Date:
February 14, 1979
Export Citation:
Assignee:
ICI LTD
International Classes:
C07C67/00; C07C241/00; C07C245/20; C07D277/82; (IPC1-7): C07C113/00; C07D277/82