1.Sodium Sulphobutylether-β-Cyclodextrin is an important modified production of Beta-Cyclodextrin. 2.Sodium Sulphobutylether-Beta-Cyclodextrin is a newly researched and developed production of our company. 3.Sodium Sulphobutylether-Beta-Cyclodextrin has its own characteristics in addition to the ones Beta-Cyclodextrin has. 4.Sodium sulphobutylether beta cyclodextrin is mainly used in the azotic medicine as an excipient. Specification: Item Index Appearance White powder, inodorous, sweet Assay ≥98% The average substitution perfect Moisture content ≤6.0% Residue on Ignition ≤2.0% Heavy metal(pd) ≤20ppm (AS) ≤4ppm The total number of germ(unite/g) ≤1000 The total number of mould(unite/g) ≤100 Pathogenic bacteria None Pls feel free to contact us for more details you want tks!