PVP/VA COPOLYMER SERIES

■ Chemical Description

--Polyvinylpolypyrrolidone (abbr. PVP-P)

■ CAS No. 9003-39-8

■ INCI Name  Crosslinked PVP

■ Molecular and Structural Formula (C₆H₉NO)n

 

■ Characteristics

--A white to yellowish white, hygroscopic powder;

--Practically insoluble in water and other common solvents;

■ Specification Ph Eur ,USP/NF,BP,JP

No	Tests	Specification
1	Identification, A B C D	Complies
2	Peroxides（as H2O2）,ppm	≤400
3	Water-soluble substances,%	≤1.0
4	Impurity A (1-vinylpyrrolidone-2-one),ppm	≤10
5	Heavy metals, ppm	≤10
6	Loss on drying,%	≤5.0
7	Sulphated ash %	≤0.1
8	Assay, %	11.0-12.8
9	Average Particle size, Type A, um	100
10	Average Particle size, Type B, um	30

■ Application

--Disintegrant for tablets, granules and hard gelatin capsules;

--Stabilizer for oral and topical suspensions;

--Improvement of dissolution and bioavailability, Filtration aid;

■ Packaging and Storage

--Packed in 20 kg fiber or plastic drum, inner lined with PE bags;

--Stored in dry place at room temperature;

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