Hangzhou GreenCo Science&Technology Co., Ltd.
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  • Contact Person : Ms. Lau Elaine
  • Company Name : Hangzhou GreenCo Science&Technology Co., Ltd.
  • Tel : 86-571-88257303
  • Fax : 86-571-88257216
  • Address : Zhejiang,Hangzhou,15Floor-8B-XiGangXinJie,ZhenHua Road No.206,XiHu District,Hangzhou,China
  • Country/Region : China
  • Zip : 310030

PVP,PVP K30,PVP K90

PVP,PVP K30,PVP K90
Product Detailed
Related Categories:Polymer
1.Our PVP in line with USP/EP grade. 2.PVP is white to creamy white powder.

We are one of the biggest PVP manufactures in China.We supply PVP-K,PVP-VA,PVP-P,NVP,etc...Our products in line with PH Eur,USP/NF,BP grade.

Chemical Description: polyvinylpyrrolidone

CAS No.9003-39-8

Molecular and Structural Formula (C6H9NO)n

Characteristics

--A white to creamy white powder;

--Readily soluble in water and a variety of organic solvent;

--Good hygroscopicity and adhension;

No.

Specification

E-1202

1

pH Value (1% suspension in water)

5-8

2

Water-soluble substances, %

≤1.0

3

Water (K.Fischer), %

≤6.0

4

Sulphated ash, %

≤0.4

5

Free-N-vinylpyrrolidone-2-one, ppm

≤10

6

Free-N,N'-Divinyl-Imidazolidone, ppm

≤2

7

Lead, ppm

≤5

8

Arsenic, ppm

≤2

9

Assay, %

11.0-12.8

Applications

It is used as pharmaceutical excipient, such as binder in tablet and granular; assistant for injection ,flow assistant for capsule, dispersant for liquid medicine and stain, stabilizer for enzyme and heat sensitive drug, coprecipitant for poorly soluble drugs, and lubricator.

Packaging and Storage

--Packed in 25kg plastic drum, inner lined with PE bags;

--Stored in dry place at room temperature;

PVP,PVP K30,PVP K90



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