The mixed solvent consists of solvent naphtha,decalin,and petroleum ether in a certain proportion,which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.

• 用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂；以对茴香胺为原料；用该溶剂合成了3磺酸基对茴香胺；产品中不含致癌物.；产品收率在82%25以上；溶剂回收率在95%25以上