Povidone K90 is a high molecular weight grade of polyvinylpyrrolidone (PVP), commonly used in pharmaceutical, cosmetic, and industrial formulations as a binder, film-former, and stabilizer.
Known for its excellent solubility, adhesiveness, and compatibility with a wide range of substances, Povidone K90 plays a key role in tablet binding, topical formulations, and hair styling products.
Its high viscosity and cohesive properties make it ideal for applications requiring strong adhesion, viscosity control, and moisture retention.
CAS Number: 9003-39-8
EC Number: Polymer – not assigned
Molecular Formula: (C₆H₉NO)n
Molecular Weight: Approx. 1,000,000 – 1,500,000 g/mol (high molecular weight)
Synonyms: Povidone K90, Polyvinylpyrrolidone K90, PVP K90, Kollidon 90, Plasdone K90, PVP high molecular weight, Povidone polymer K90, PVP homopolymer K90, Polyvidone K90, High viscosity PVP, Poly(1-vinyl-2-pyrrolidone), Vinylpyrrolidone homopolymer, Binding agent PVP K90, Film-forming polymer K90, PVP K90 hair fixative, Cosmetic grade PVP K90, Pharmaceutical binder PVP K90, USP grade Povidone K90, Povidone K90 NF grade, Food grade PVP K90, Water-soluble polymer PVP K90, Adhesive polymer PVP K90, Thickening polymer K90, Povidonum K90, E1201 (food additive), Hygroscopic polymer PVP K90, PVP K90 hair styling polymer, K90 povidone solubilizer, High-molecular-weight PVP, K90 film-forming PVP, PVP K90 stabilizer, PVP K90 coating agent
APPLICATIONS
Povidone K90 is widely used in tablet and capsule manufacturing as a binder and film-coating agent.
It is included in topical creams, gels, and ointments for its film-forming and moisture-retention properties.
Povidone K90 is employed in mouthwashes, nasal sprays, and lozenges for mucoadhesive and solubilizing effects.
Povidone K90 is used in hair gels, sprays, and styling foams for strong hold, flexibility, and humidity resistance.
It is found in skin care products like serums and masks for enhancing texture and improving delivery of actives.
Povidone K90 is incorporated into wound dressings and medicated patches for its cohesive and adhesive characteristics.
Povidone K90 is utilized in adhesives and glues for bonding and tackiness.
It is used in inks and coatings for viscosity control and film formation.
Povidone K90 is added to eye drops and contact lens solutions as a lubricant and wetting agent.
Povidone K90 is compatible with synthetic resins and can be blended into emulsions, suspensions, and gels.
It is suitable for use in oral, topical, and injectable pharmaceutical products.
Povidone K90 is valued in veterinary, food, and agricultural applications for its water-binding and carrier properties.
Povidone K90 is widely used in the pharmaceutical industry as a binder in tablet formulations, ensuring uniformity and stability of the tablets and improving their mechanical strength.
Povidone K90 is employed in the production of controlled-release formulations, where it helps control the release of active ingredients over a prolonged period, providing sustained therapeutic effects.
Povidone K90 is used in the formulation of injectable drugs, where it serves as a stabilizer to prevent aggregation of proteins and other active ingredients, ensuring efficacy and safety.
Povidone K90 is used in the production of ophthalmic formulations, such as eye drops, where it helps to increase the viscosity, ensuring better retention on the eye surface and enhancing product performance.
Povidone K90 is applied in the formulation of oral suspensions, where it helps dissolve and stabilize active ingredients, improving the consistency and effectiveness of the suspension.
Povidone K90 is employed in the production of wound care products, where it aids in the formulation of hydrogels and ointments that promote healing and provide moisture to the wound.
Povidone K90 is used in the manufacture of cosmetic products such as hair gels, shampoos, and conditioners, where it helps improve texture, stability, and performance, enhancing the spreadability of the product.
Povidone K90 is employed in the production of personal care products, where it acts as a thickening agent and stabilizer, ensuring the consistency and smooth application of products like creams, lotions, and deodorants.
Povidone K90 is used in the formulation of facial masks, where it helps improve the product's texture and performance, ensuring smooth application and even coverage of active ingredients.
Povidone K90 is used in the production of emulsions, where it acts as a stabilizer, preventing phase separation and improving the consistency and shelf life of the product.
Povidone K90 is employed in the formulation of hair care treatments, where it helps condition the hair, improve texture, and enhance manageability.
Povidone K90 is used in the formulation of topical pharmaceuticals, such as creams and ointments, where it serves as a binder and stabilizer, ensuring the effective delivery of active ingredients.
Povidone K90 is applied in the formulation of anti-aging skin care products, where it helps to deliver active ingredients effectively and enhance the texture of the product for a smooth application.
Povidone K90 is used in the production of oral care products, such as toothpaste and mouthwash, where it helps stabilize the formulation, enhance texture, and improve its effectiveness.
Povidone K90 is used in the production of hair styling products, such as mousses and sprays, where it provides long-lasting hold and improves the texture of the product.
Povidone K90 is employed in the formulation of antibacterial and antifungal creams, where it helps to stabilize the product and improve its application to the affected area.
Povidone K90 is used in the manufacture of tablet coatings, where it acts as a binder and helps improve the adhesion and texture of the coating.
Povidone K90 is applied in the formulation of dietary supplements, where it acts as a binder and stabilizer in tablet and capsule formulations, ensuring the integrity of the product.
Povidone K90 is used in the production of gel formulations, where it helps improve the viscosity and texture, providing a smooth and easy-to-apply product.
Povidone K90 is used in the formulation of topical analgesics, where it helps improve the consistency and performance of the formulation, ensuring proper application and delivery of active ingredients.
Povidone K90 is employed in the formulation of anti-inflammatory products, where it helps to improve the stability of the product and enhance the delivery of the active ingredients to the skin.
Povidone K90 is used in the production of wound healing gels, where it enhances the gel's ability to hold moisture and deliver healing agents directly to the wound site.
Povidone K90 is used in the formulation of eye care products, where it acts as a viscosity-enhancing agent, ensuring that the formulation remains on the eye surface for prolonged action.
Povidone K90 is applied in the production of medical adhesives, where it improves the adhesion properties and stability of the adhesive formulations.
Povidone K90 is employed in the formulation of emulsions for injectable products, where it helps stabilize the emulsion and ensure uniform distribution of the active ingredients.
Povidone K90 is used in the preparation of gel capsules, where it helps stabilize the gel matrix and ensure the smooth release of the encapsulated ingredients.
Povidone K90 is used in the production of anti-fungal treatments, where it helps enhance the effectiveness and consistency of the topical application.
Povidone K90 is employed in the formulation of solubilizing agents for poorly soluble drugs, where it helps enhance the solubility and bioavailability of active ingredients.
Povidone K90 is used in the preparation of oral suspension formulations, where it enhances the stability and consistency of the product, ensuring uniform distribution of ingredients.
Povidone K90 is used in the production of controlled-release tablets and capsules, where it helps to release active ingredients gradually over time, ensuring sustained therapeutic effects.
Povidone K90 is a high molecular weight polymer of polyvinylpyrrolidone (PVP), widely used in pharmaceutical, cosmetic, and industrial formulations due to its ability to stabilize, bind, and thicken.
Povidone K90 is a water-soluble, non-toxic polymer that is biocompatible, making it ideal for use in sensitive applications such as pharmaceuticals and personal care products.
DESCRIPTION
Povidone K90 is a white to off-white hygroscopic powder or flakes with no odor and a neutral pH.
It is a synthetic water-soluble polymer of vinylpyrrolidone, notable for its high viscosity and molecular weight.
Povidone K90 forms clear, flexible films and is highly adhesive to skin, hair, and other surfaces.
In pharmaceutical applications, it serves as a binder, solubilizer, and dispersing agent.
In cosmetics, Povidone K90 improves consistency, texture, and the stability of emulsions.
It is non-toxic, non-irritating, and compatible with a broad range of ingredients including alcohols, water, and glycols.
Povidone K90 demonstrates excellent solubility in cold and hot water and forms clear, non-tacky films upon drying.
It resists oxidation and chemical degradation, making it a reliable excipient in long-term formulations.
Povidone K90 complies with major pharmacopeia standards (USP, Ph. Eur., JP) and food regulations (E1201).
Povidone K90 is a versatile excipient used in tablet formulations to improve tablet binding, enhance uniformity, and provide structural integrity to the final product.
Povidone K90 is commonly used as a stabilizing agent in pharmaceutical formulations, preventing the aggregation of active ingredients and ensuring their long-term efficacy.
Povidone K90 is used in a variety of cosmetic formulations, including skin care, hair care, and makeup products, where it helps improve the texture, consistency, and overall product performance.
Povidone K90 is known for its ability to enhance the viscosity and stability of emulsions, making it a valuable ingredient in creams, lotions, and gel formulations.
PROPERTIES
Chemical Formula: (C₆H₉NO)n
Molecular Weight: Approx. 1,000,000 – 1,500,000 g/mol
Common Name: Povidone K90 / PVP K90
Appearance: White to off-white powder or flakes
Odor: Odorless
Solubility: Freely soluble in water, ethanol; insoluble in chloroform and ether
pH (5% solution): Approx. 3.0–7.0
Viscosity (5% in water): Approx. 500–700 mPa·s
Hygroscopicity: Strongly hygroscopic
Film Forming: Excellent; clear, flexible films
Stability: Stable under normal storage conditions
Storage Temperature: Store at 10–30°C in dry, sealed containers
Shelf Life: 24–36 months in original packaging
FIRST AID
Inhalation:
Move to fresh air.
Seek medical attention if respiratory symptoms appear.
Skin Contact:
Wash skin with soap and water.
Seek medical advice if irritation occurs.
Eye Contact:
Rinse eyes thoroughly with water for at least 15 minutes.
Seek medical help if symptoms persist.
Ingestion:
Rinse mouth with water.
Generally regarded as safe; consult a physician for large exposures.
Note to Physicians:
Treat symptomatically. Low toxicity expected under normal use.
HANDLING AND STORAGE
Handling:
Avoid inhalation of dust.
Wear protective gloves and goggles in industrial environments.
Use in a well-ventilated area to minimize airborne exposure.
Spill and Leak Procedures:
Sweep up and avoid dust generation.
Dispose of in accordance with local regulations.
Storage:
Store Povidone K90 in tightly closed containers in a cool, dry area.
Protect from heat, humidity, and light.
Avoid contact with strong oxidizers.
Handling Cautions:
Minimize contact with moisture to prevent caking.
Rotate stock using first-in, first-out (FIFO) principles.