Process and apparatus for the diazotization of amines

Details Process and apparatus for the diazotization of amines Process and apparatus for the diazotization of amines

1979-02-08

1980-11-18

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

422111, C07C11300

Patent

active

042344786

ABSTRACT:
A process for the diazotization 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 diazotized 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 diazotized amine is stable.

REFERENCES:
patent: 1585145 (1926-05-01), Harris
patent: 3117954 (1964-01-01), Hupfer
patent: 3423391 (1969-01-01), Kindler
Zollinger, H. Azo & Diazo Chemistry: Aliphatic and Aromatic Compounds, Interscience, 1961.

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