... ,2'aaDisulfonic acid 2,Commodity name : DSD ACID 3,Structural Formula : 1,Chemical name : 4,4'–Diaminostilbene–2,2'–Disulfonic acid2,Commodity ... name : DSD ACID3,Structural Formula : 4,Molecular Formula : C14H14N2O6S25,Molecular Weight : 370.46,Plysical and chemical properties ...