乙酸异丙酯的合成

以乙酸和异丙醇为原料,硫酸氢钠为催化剂,合成了乙酸异丙酯;考察了反应时间、酸醇比、催化剂用量、带水剂用量对酯化率的影响,确定了最佳酯化反应条件:反应时间60min,酸醇的物质的量的比1∶0.8,催化剂用量0.8g,带水剂用量8mL.在最佳反应条件下,酯化率最高可达84.3%.

Synthesis of isopropyl acetate

Isopropyl acetate was synthesized with acetic acid and isopropyl alcohol as the starting materials and sodium bisulfate as the catalyst. The effects of reaction time, the ratio of acid to alcohol, the amount of catalyst and the amount of water carrying agent on the esterification rate were investigated, and the optimal condition for esterification reaction were established. As a result, the optimal condition for the esterification reaction is determined as a reaction time of 60 rain, an acid to alcohol ratio of 1 ： 0.8, a catalyst dosage of 0.8 g, and a water-carrying agent amount of 8 mL. Under the optimal condition, isopropyl acetate can be obtained at an esterification rate of up to 84.3%.