About the preparation of zinc p-toluenesulfinate_Kain Industrial Additive

Background and overview【1】 P-Toluenesulfinic acid is a special type of fine intermediate and an important raw material in organic synthesis. It plays an irreplaceable role in the synthesis of certain dyes, pesticides and pharmaceutical intermediates. However, since sodium p-toluenesulfinate is catalyzed by metallic zinc in the traditional process, a large amount of waste will be…