Stability of Methilmethionine Sulfonium Chloride in Aqueous Solution

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  • メチルメチオニンスルフォニウムクロリド水溶液の安定性について

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The decomposition of methyl methionine sulfonium chloride (MMSC) wasstudied inaqueous solution at pH 2-9 at the temperature of 40°, 50° and 60°. The decomposition reactions were found to follow pseudo-first-order kinetics. It became faster in parallel with the rise in pH values. The stability of MMSC in aqueous solution was estimated by the Arrhenius equation. The 90% residual rate of MMSC in aqueous solution at 25° was 15.6 days at pH 2 and 5.1 days at pH 9.

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