1aaChemical name : 4,4'aaDiaminostilbeneaa2,2'aaDisulfonic acid 2aaCommodity name : DSD ACID 3aaStructural Formula : DSD ACID1,Chemical name : 4,4'–Diaminostilbene–2,2'–Disulfonic ... acid2,Commodity name : DSD ACID3,Structural Formula : 4, ... : 25kg/450kg/500kg/bag or at customer's option . DSD ACID