Crospovidone CAS 25249-54-1 is a white or white powder, insoluble in water and most organic solvents, with strong water absorption and expansion, chemical stability, not easy to be damaged by acids, bases and general chemical reagents. PVPP has many excellent and unique properties, and has been widely used in cosmetics, food, medicine and other fields. unilong is a professional PVPP manufacturer with fast delivery and in stock to support small sample testing.