Pharmaceutical Grade PVPP - Shanghai WellTone Material Technology Co., Ltd

Structural formula

Product Properties

Applications

specifications

Structural formula

Product Properties

Product Properties: Crospovidone is hygroscopic,insoluble in water and all other common solvents,but it swells rapidly in aqueous solutbition without any gel froms.Its; classified as Crospovidone Type A and Type B according to the different particle size.

Applications

Applications:In the pharmaceutical industry,Crospovidone are widely used as 1)Disintergrating agent,2)Stabilizer for suspension,3)Moisture Absorbent, 4)Complextant of Polyphenols and Tannin for the extract formulations.

specifications

Product	Crospovidone Type A	Crospovidone Type B
Appearance	White or yellowish-white powder or flakes
Identifications	Meet ID Tests
Solubility	Practically insoluble in water,in alcohol and in methylene chloride
Water- soluble substances	1.0% max	1.0% max
pH((1% in water)	5.0 –8.0	5.0 –8.0
Loss on Drying	5.0% max.	5.0% max.
Sulphated Ash	0.1% max.	0.1% max.
Nitrogen content	11.0 -12.8 %	11.0 -12.8 %
Impurity A	10 ppm max.	10 ppm max.
Peroxide(As H₂O₂)	400 ppm max.	1000 ppm max.
Heavy Metal	10 ppm max.	10 ppm max.
Particle Size(μm), ≥80%	50-300	5-50