Process for preparing cyanuric acid

Details Process for preparing cyanuric acid Process for preparing cyanuric acid

1980-01-08

1981-05-05

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25132

Patent

active

042660521

ABSTRACT:
An improved process for the preparation of cyanuric acid in which urea/biuret is converted into cyanuric acid but wherein the co-production of the impurities, ammelide and ammeline is significantly reduced. Cyanuric acid is prepared by heating urea/biuret in a suitable polar organic solvent in the presence of an ammonium-, alkali metal- or alkaline-earth metal nitrate.

REFERENCES:
patent: 4093808 (1978-06-01), Nelson
patent: 4112232 (1978-09-01), de Cooker

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