Process for diazotizing aromatic amines

Details Process for diazotizing aromatic amines Process for diazotizing aromatic amines

1976-04-08

1981-02-10

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260156, 260202, 260204, 260205, 260206, 260207, 2602071, 2602075, C07C11304, C09B 2908, C09B 2926, C09B 2918

Patent

active

042500893

ABSTRACT:
The invention relates to a process for diazotizing aromatic amines which are not diazotizable, or only incompletely diazotizable, in aqueous media containing mineral acid. It is characterized in that the diazotization is effected by means of nitrosyl compounds in organic, dipolar, aprotic solvents which do not undergo a chemical reaction with the diazonium salts of the aromatic amines. The new process is distinguished by less contamination of the effluent.

REFERENCES:
patent: 3793305 (1974-02-01), Balon
patent: 3888841 (1975-06-01), Spietscha et al.

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