Polysucrose 400 Polysucrose is a white powder and neutral material made out of sucrose copolymer. Polysucrose can be confected the solution in density of 1.0-1.2g/ml and used in gradient separation. Content of Cl(%):ï¼?1ï¼?.Particle diameter in solution: 10nm.Stored at room temperature. Polysucrose is a non-ionic and low osmotic medium, and widely applied in the separation of cells, virus cells, and cell membranes. The products in various molecular weights can be made upon order. Assay:>99% CAS Number:26873-85-8 Storage Life:2years