Cyanuric acid, or 1,3,5-triazine-2,4,6-triol, is the hydroxyl analogue of melamine. First synthesized by F. Wöhler in 1829, from urea and uric acid, it is manufactured today by thermally decomposing urea. Cyanuric acid is a component of disinfectants and herbicides, and it is used as a chlorine stabilizer in swimming pools. It is nontoxic but was implicated in the recent Chinese infant formula and pet food adulteration scandal.
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