Methyl ricinoleate was produced from castor oil by ester exchange reaction. Oxyethylated methyl ricinoleate(OMR,with average EO degree of 10) was synthesized by reaction of methyl ricinoleate with ethylene oxide.

• 用酯交换甲酯化法合成出蓖麻油酸甲酯,将分离出的蓖麻醇酸甲酯与环氧乙烷反应,得到蓖麻醇酸甲酯乙氧基化物(OMR,EO平均数为10)。