... to dark brown powder, an anionic surface active agent. Easily soluble in water, acid, alkali and hard water. It ... and dyeing industry.3. As auxiliary tanning agent in leather industry, stabilizing agent in rubber industry.4 , Packing: 25KG Woven ... bag with plastis lining.5 , non-toxic, non-inflammable, non-explosive. Dyestuff Auxiliary/Dispersing Agent ...