- Daily Chemicals[4]
- Glue Stick[2]
- Liquid Glue[1]
- Polymer[9]
- Pharmaceutical[10]
- Organic Intermediate[10]
- Water Treatment[3]
- Adhesives & Sealants[1]
- Shower Gel[1]
- Shampoo[1]
- Chemical Auxiliary Agent[3]
- Peat[1]
- Other Aquaculture Equipment[1]
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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
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