2006•Industrial CatalysisRequires access
Preparation of ethyl salicylate catalyzed by sodium hydrogen sulfate
Dayong Yu
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Abstract
Ethyl salicylate was prepared using sodium hydrogen sulfate as the catalyst.Influences of(n(alcohol)∶)n(salicylic acid),catalyst dosage,reaction time and reaction temperature were investigated.The results showed that the sodium hydrogen sulfate exhibited higher catalytic activity.Esterification(efficiency) of 80.1%～88.2% was obtained under optimum condition as follows: catalyst dosage(2 g),(n(alcohol)∶)n(salicylic acid)=10∶1,reaction time 6 h,reaction temperature 75-85 ℃.