Chloro 2 hydroxypropyl trimethyl ammonium chloride an etherizing agent,for modified starch, was synthesised from epichlorohydrin.

• 以环氧氯丙烷为原料合成了3-氯-2-羟丙基基三甲基氯化铵,后者作为改性淀粉的醚化剂。