CAS No.: 9003-39-8
Origin: Zhejiang, China (Mainland)
Appearance: White powderless hygroscopic powder, easily soluble in ethanol and methanol, slightly soluble in acetone.
Sample: Available
Other names: PVP (polyvinyl pyrrolidone)
Specifications: Polyvinyl pyrrolidone PVP K90
Type: Emulsifier, thickener
Characteristic
Excellent adhesion: PVP has good adhesion properties, which can effectively bond drug particles together, enhance the structural strength and integrity of tablets, and ensure that they are not easily damaged during production and transportation.
Water solubility: PVP is a water-soluble polymer that can dissolve quickly in the preparation to form a uniform colloidal solution. This property makes it particularly effective in the wet granulation process, which can improve the uniformity and fluidity of the particles.
Biocompatibility: PVP shows good biocompatibility in drug preparations, is generally non-toxic and does not cause allergic reactions, and is therefore suitable for drug preparations that come into direct contact with the human body.
Enhanced drug release properties: By adjusting the concentration and use of PVP, the release rate of the drug can be controlled and the bioavailability of the drug can be improved.
Application
Tablet production: In the production process of tablets, PVP is often used as a binder in wet granulation to help drug particles maintain good bonding during mixing and compression, ensuring the mechanical strength of tablets.
Capsule filling: In some capsule dosage forms, PVP can also be used as a binder to improve the fluidity and filling density of the drug.
Coating agent: PVP can also play a role in the surface coating of the drug, forming a protective film to enhance the stability of the drug and control the release of the drug.
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PVP as a binder can improve the overall quality of tablets and ensure the stability and effectiveness of drugs.
Its good water solubility and biocompatibility make it an ideal choice for a variety of drug formulations.
FAQ
1.How does PVP affect drug release characteristics?
The concentration and use of PVP will affect the release rate of the drug, and reasonable regulation of the use of PVP can improve the bioavailability of the drug.
2. What drugs are compatible with PVP?
It is usually compatible with a variety of drugs, but in specific formulations, compatibility testing should be carried out to ensure that it will not affect the stability and effect of the drug.
3. Does the use of PVP as a binder require special formulation adjustments?
When using PVP, it may be necessary to adjust the ratio of its concentration and other excipients to ensure the effect and stability of the preparation.
4. Can PVP be used in food or cosmetics?
PVP is mainly used in pharmaceuticals, but in some cases it can also be used in food and cosmetics as a thickener and stabilizer, provided that it meets the relevant safety standards.
5. What are the storage conditions of PVP?
It should be stored in a cool, dry environment, away from direct sunlight and high temperatures to ensure that its performance is not affected.
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