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Molecules 2010, 15(3), 1898-1902;

Liquid-Phase Synthesis of Cyanuric Acid from Urea

College of Science, China Agricultural University, Beijing 100193, China
Plant Protection Institute of the Chinese Academy of Agricultural Sciences, Beijing 100193, China
Author to whom correspondence should be addressed.
Received: 30 January 2010 / Revised: 24 February 2010 / Accepted: 8 March 2010 / Published: 16 March 2010
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The focus of this paper was to identify a cheaper solvent from among diesel fuel, kerosene, sulfolane or a mixture of sulfolane and cyclohexanol for the preparation of cyanuric acid heterocyclization of urea. To obtain a higher yield, the effects of catalyst (sodium, ammonium, calcium and zinc salts) and temperature (160 °C to 220 °C) on the trimerization of urea were also carefully studied. We established the optimal reaction conditions and further validated them in our scale-up experiments. View Full-Text
Keywords: cyanuric acid; urea; liquid-phase; yield cyanuric acid; urea; liquid-phase; yield

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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She, D.-M.; Yu, H.-L.; Huang, Q.-L.; Li, F.-M.; Li, C.-J. Liquid-Phase Synthesis of Cyanuric Acid from Urea. Molecules 2010, 15, 1898-1902.

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