Preparation of cyanuric acid

Details Preparation of cyanuric acid Preparation of cyanuric acid

1981-12-24

1983-12-27

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

044232160

ABSTRACT:
A highly pure cyanuric acid is produced by a process which comprises gradually adding a nitrogenous material capable of producing cyanuric acid, such as urea, to a hot N-methylpyrrolidone solvent. The overall process converts substantially all of the urea to cyanuric acid which, upon drying, is a free flowing product capable of being converted into trichloroisocyanuric acid and similar compounds with a minimum of extra processing while allowing substantially complete recovery of the N-methylpyrrolidone solvent for reuse.

REFERENCES:
patent: 3164591 (1965-01-01), Walles et al.
patent: 3635968 (1972-01-01), Goelz et al.

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