We are dealing in sulfo tobias acid, Product Name : Sulpho Tobias Acid Chemical Name : 2 naphthylamine 1-5 disulphonic acid Chemical Formula : C10H9O6S2N Molecular weight : 303 From supplied : wet powder Basis for sale : on real content (m.w. 303) Strength : min.70% Physical appearance : pinkish white material Solubility : soluble in water Uses : intermediates for dyestuff & pharma. Packing : 50 kg hdpe bags with ldpe liners.