Synthesis of Cyanuric acid

Mix concentrated hydrochloric acid dropwise to 80°C hot concentrated solution of trichloroisocyanuric acid, cool the solution down to 5°C. Filter and dry the cyanuric acid dihydrate crystals.

C3Cl3N3O3 + 3 HCl = C3H3N3O3 + 3 Cl2

df

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