Su Jie
2005
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Journal
Journal of Shenyang Institute of Chemical Technology
Abstract
The heteropoly acid (salts) was used as catalyst for the synthesis of methyl p-hydroxyl benzoate, which is a food preservative. The optimum experimental conditions were obtained. Effects of the amount of the catalyst, the reaction time and the ratio of reactants were investigated. Under the condition, the yield of methyl p-hydroxyl benzoate could reach 84.6 %. The melting point tested in this study agrees to literature value, and its IR spectrum is consistent with the standard.