Process for the production of aromatic mononitro compounds

Details Process for the production of aromatic mononitro compounds Process for the production of aromatic mononitro compounds

1976-05-12

1977-12-20

Sebastian, Leland A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260645, 260646, C07C 4968, C07C 7910, C07C 7912

Patent

active

040641473

ABSTRACT:
Aromatic mononitro compounds are prepared by nitrating aromatic compounds with nitric acid having a concentration between 70 and 100% by weight, working up of the nitration mixture in a rectification column and separation of the aromatic mononitro compound.
In the nitration mixture and in the rectification column, depending upon the concentration of the nitric acid present, the ratio by weight of nitric acid plus water is controlled and not lowered below defined figures. Optionally water or nitric acid is introduced into the rectification column.

REFERENCES:
patent: 3836601 (1974-09-01), Frey et al.
patent: 3928475 (1975-12-01), Dassel
patent: 3981935 (1976-09-01), McCall

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