What is the chemical formula of Povidone 90?
As a supplier of Povidone 90, I often encounter inquiries about its chemical formula and properties. Povidone 90, also known as Polyvinylpyrrolidone 90, is a widely used polymer in various industries due to its unique characteristics. In this blog post, I will delve into the chemical formula of Povidone 90, its properties, applications, and why it is a valuable product for many businesses.
Chemical Formula of Povidone 90
The chemical formula of Povidone 90 is (C6H9NO)n, where 'n' represents the degree of polymerization. Povidone is a synthetic polymer derived from the monomer N-vinylpyrrolidone. The number '90' in Povidone 90 refers to its K-value, which is a measure of the polymer's viscosity and molecular weight. A higher K-value indicates a higher molecular weight and viscosity of the polymer.
The structure of Povidone consists of a linear chain of repeating N-vinylpyrrolidone units. Each unit contains a pyrrolidone ring, which is a five-membered heterocyclic ring with a nitrogen atom. The presence of the nitrogen atom gives Povidone its unique properties, such as solubility in water and many organic solvents, and the ability to form complexes with various substances.
Properties of Povidone 90
- Solubility: Povidone 90 is highly soluble in water, forming clear and viscous solutions. It is also soluble in many organic solvents, such as alcohols, ketones, and chlorinated hydrocarbons. This solubility makes it suitable for a wide range of applications, including pharmaceuticals, cosmetics, and industrial processes.
- Viscosity: Due to its high molecular weight, Povidone 90 has a relatively high viscosity. The viscosity of its solutions can be adjusted by changing the concentration of the polymer and the temperature. This property makes it useful as a thickening agent, stabilizer, and binder in various formulations.
- Complexation Ability: Povidone 90 can form complexes with a variety of substances, including drugs, dyes, and metal ions. This complexation ability can improve the solubility, stability, and bioavailability of drugs, and also enhance the color and stability of dyes.
- Biocompatibility: Povidone 90 is biocompatible and non-toxic, making it suitable for use in pharmaceutical and cosmetic applications. It is widely used as a pharmaceutical excipient, such as a binder, disintegrant, and solubilizer, and in cosmetics as a film-forming agent, thickener, and emulsifier.
Applications of Povidone 90
- Pharmaceuticals: In the pharmaceutical industry, Povidone 90 is used as a binder in tablet formulations to hold the active ingredients together. It can also be used as a disintegrant to help the tablet break down in the digestive system, and as a solubilizer to improve the solubility of poorly soluble drugs. Additionally, Povidone 90 is used in topical formulations, such as creams and ointments, to enhance the stability and effectiveness of the drugs.
- Cosmetics: Povidone 90 is a common ingredient in cosmetics, such as hairsprays, gels, and mousses, due to its film-forming properties. It can help to hold the hair in place and provide a shiny and smooth finish. It is also used in skin care products, such as lotions and creams, as a thickener and emulsifier to improve the texture and stability of the formulations.
- Industrial Applications: In industrial applications, Povidone 90 is used as a dispersant, stabilizer, and binder in various processes. For example, it can be used in the production of paints, inks, and adhesives to improve the dispersion of pigments and fillers, and to enhance the adhesion and durability of the products. It is also used in the textile industry as a sizing agent to improve the strength and smoothness of the fibers.
Why Choose Our Povidone 90?
As a leading supplier of Povidone 90, we offer high-quality products that meet the strictest industry standards. Our Povidone 90 is produced using advanced manufacturing processes and undergoes rigorous quality control to ensure its purity, consistency, and performance.


- Quality Assurance: We have a state-of-the-art quality control laboratory where we test our products at every stage of the production process. Our Povidone 90 meets the requirements of the United States Pharmacopeia (USP) and other international standards, ensuring its safety and efficacy for various applications.
- Customization: We understand that different customers have different requirements, so we offer customized solutions to meet their specific needs. Whether you need a specific grade of Povidone 90 or a customized formulation, our technical team can work with you to develop the right product for your application.
- Competitive Pricing: We are committed to providing our customers with high-quality products at competitive prices. Our efficient production processes and economies of scale allow us to offer our Povidone 90 at a reasonable cost without compromising on quality.
- Excellent Customer Service: We believe that customer satisfaction is our top priority. Our dedicated customer service team is available to answer your questions, provide technical support, and assist you with your orders. We strive to provide prompt and reliable service to ensure that you have a positive experience when working with us.
Conclusion
Povidone 90, with its chemical formula (C6H9NO)n, is a versatile polymer with a wide range of applications in the pharmaceutical, cosmetic, and industrial industries. Its unique properties, such as solubility, viscosity, complexation ability, and biocompatibility, make it a valuable ingredient in many formulations. As a trusted supplier of Povidone 90, we are committed to providing high-quality products, customized solutions, competitive pricing, and excellent customer service. If you are interested in purchasing Povidone 90 or have any questions about our products, please feel free to contact us for more information and to start a procurement discussion. We look forward to working with you to meet your needs.
References
- Remington: The Science and Practice of Pharmacy, 22nd Edition
- Handbook of Pharmaceutical Excipients, 7th Edition
- Cosmetic Science and Technology, 3rd Edition
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