PVP Homopolymers,VP/VA Copolymers,Croslinked PVP-Jiaozuo Zhongwei Special Products Pharmaceutical Co.,Ltd.

Products List

•	PVP Homopolymers

•	VP/VA Copolymers

•	Croslinked PVP

•	Povidone Iodine

•	N-Vinylpyrrolidone

•	2-Pyrrolidone

•	NEP

•	NOP

•	NMP

•	NMP

Pharmaceutical Grade PVPP

Product Name:Crospovidone

Chemical Description:Croslinked PVP,Crospovidone,Insoluble PVP,Pollyvinylpolypyrrolidone

INCI/CTFA:Insoluble PVP

Pharmacopeia Name:Crospovidone (Crospovidonum)

CAS NO.:9003-39-8,25249-54-1

Formula Structure:

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: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