Molecular Weight 303 Empirical Formula C7H11NO7S Synonyms 2 Naphthylamine 1-5 Disulfonic Acid Form Supplied Wet Powder Basis For Sale On Real Contant (M.W. 303) Strength Min. 60% Appearance Pinkish White Material Solubility Soluble In Water Uses Intermediate For Dyestuffs Packing 50 kg HDPE Bags With Pvc Liners