Using potassium bisulphate as catalyst and benzene as co-boiling reagent, the emulsifier hexadecyl lactate used for cosmetics was synthesized via direct esterifiaction of lactic acid and hexadecanol.

• 以乳酸和十六醇为原料,硫酸氢钾为催化剂,苯作带水剂,用直接酯化法合成了化妆品中乳化剂乳酸十六醇酯。