Hangzhou Rainbow Import & Export Co., Ltd. is one of the leading manufacturers and suppliers of polyvinylpyrrolidone k90 in China. With abundant experience, we warmly welcome you to buy customized polyvinylpyrrolidone k90 from our factory. If you have any enquiry about free sample, please feel free to email us.

Chemical Name:Polyvinylpyrolidone

USP/EP Name:Povidone
INC/CTFA Name:PVP
Molecular Formula:(C₆H₉NO)n
CAS N0.9003-39-8
All grades of SUNVIDONE Kare supplied in the form of an almost white,free-flowing powder.
They have a slight characteristic odour and are practically tasteless.

Characteristic

White free flowing hygroscopic powder,freely soluble in ethanol,methanol,slightly soluble in acetone.
Because of its solubility in water and in many organic solvents,its high binding power and ability to form complexes,soluble polyvinylpyrolidone occupies a special position among the synthetic colloids.

Specification

DMF FILE NO.			033506	033415	032698	033592
SUNVIDONE	K12	K15	K17	K25	K30	K90
Colour(5%in water)min	BY6,B₆	BY6,B₆	BY6,B₆	BY6,B₆	BY6,B₆	BY₆,B₆
K value	10.2-13.8	12.8-17.3	15.3-18.4	22.5-27.0	27.0-32.4	81.0-97.2
Impurity A,ppm max	10	10	10	10	10	10
Impurity B,%max	3.0	3.0	3.0	3.0	3.0	3.0
Formic Acid.%max	0.5	0.5	0.5	0.5	0.5	0.5
Peroxides,ppm max	400	400	400	400	400	400
Aldehyde,ppm max	500	500	500	500	500	500
Hydrazine,ppm max	1		1	1	1	1

Application

--Binder：Tablets,capsules,granules
--Bioavailability enhancement：Tablets,capsules,granules,pellets,suppositories,transdermal systems
--Film formation：Ophthalmic solutions,tables,medical plastics
--Solubilization：Oral, topical solutions oral, topical solutions
--Stabilization of suspensions：Oral, instant beverage powders and granules
--Hydrophylization：Medical plastics,retard preparations,suspensions
--Adhesives：Transdermal systems,adhesive gels
--Drug stabilization：Enzymes in diagnostics
--Toxicity reduction：Tablets,capsules,granules

Advantages

Versatility: Due to its water solubility, adhesion and film-forming ability, PVP K90 can meet a variety of needs in different fields.

Chemical stability: PVP K90 can maintain its stability in a wide pH range and is relatively resistant to factors such as heat and oxidation.

Safety: PVP K90 is a rigorously tested low-toxic material, especially suitable for the pharmaceutical, cosmetic and food industries.

FAQ

1.Is PVP K90 safe for human body?

PVP K90 has been extensively tested for safety and is a low toxic substance widely used in medicines, cosmetics and food. Its good biocompatibility makes it suitable for use in topical products and oral medications.

2.What are the storage conditions of PVP K90?
PVP K90 should be stored in a dry, cool place, away from high temperature and humidity to prevent it from absorbing moisture or degradation. It should be stored away from contact with oxidants and acidic substances.

3.How is PVP K90 solubility in water?
PVP K90 has good solubility in water and can form a clear, colorless solution, which makes it particularly suitable for use in formulations that require a transparent texture.

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Polyvinylpyrrolidone K90