Process for treating dinitroanilines with sulfite to reduce impu

Details Process for treating dinitroanilines with sulfite to reduce impu Process for treating dinitroanilines with sulfite to reduce impu

1990-10-02

1993-03-23

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C20984

Patent

active

051965852

ABSTRACT:
The present invention is directed toward a process of treating crude dinitroaniline with an aqueous sulfite solution as a method of stabilizing the herbicide against formation of nitrosamines and of reducing impurities therein.

REFERENCES:
patent: 4139562 (1979-02-01), Yamamoto
patent: 4440962 (1984-04-01), Pallucca
patent: 4501608 (1985-02-01), Cannon
patent: 4874895 (1989-10-01), Graziello

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