SIPM wassynthesised by sulphonate,esterification,salinization from m phthalic acid,the overyield is82 6% .

• 以间苯二甲酸为原料,经磺化,酯化,盐析得98%25含量的间苯二甲酸二甲酯5磺酸钠,总收率826%25。