Used as making sulphur dyes or dyestuff intermediate reducer,mordant flotationagent,depilatory for leather,digestion auxiliary in paper-making.also widely in pigment and rubber industry,etc.

• 用途： 用作制造硫化染料或染料中间体的还原剂、媒染剂。用作冶金工业矿石的浮选剂，皮革工业中的脱毛剂，造纸工业中的蒸煮剂。也广泛用于颜料、橡胶等工业中。