Synthesis of n-Butyl Lactate Catalyzed by Solid Acid

In the presence of roasted ferric sulfate as catalyst,lactic acid can react with n butyl alcohol to form n butyl lactate The optimum conditions are follows:molar ratio of lactic acid to n butyl alcohol=1∶4 5,reaction temperature time=150min,weight of catalyst=2g.The yield under the optimum conditions was up to 87 4% The catalyst has many advantages,such as being able to manufacture very easy,use repeatedly and less pollution to the environment