POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90)

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also used in personal care products, such as shampoos and toothpastes, in paints, and adhesives that must be moistened, such as old-style postage stamps and envelopes.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) has also been used in contact lens solutions and in steel-quenching solutions.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used to take advantage of one or more properties inherent in the polymer, typically due to the lactam ring.

CAS Number: 9003-39-8
EC Number: 618-363-4
MDL Number: MFCD01076626
Molecular Formula : (C6H9NO)x

SYNONYMS:
PVP, Polyvidone, Povidone, Povidone K-90, Poly[1-(2-oxo-1-pyrrolidinyl)ethylene], PVP K-30, PVP-K, PVP-K30, PVP-K17, PVP-K25, PVP-K90, PVP K 30, Crospovidone, Polyinylpyrrolidone, Polyvinylpyrrolidine, Polyvinylpyrrolidone, Polyvinglpyrrolidone, Polyvinyl pyrrolidone, poly vinyl pyrrolidone, vinisil, vinylpyrrolidonepolymer, PVP K30 USP24, PVP K120, K30 PVP K30, K 30 POVIDONE K 30 BP/USP, PVP H-30, PVP K 30 TECHNICAL GRADE, POLYVINYLPYRROLIDONE K 25, POLYVINYLPYRROLIDONE K 60, POLYVINYLPYRROLIDONE-DIVERGAN RS, POLYVINYLPYRROLIDONE, POLYVIDONUM, PLASDONE XL, PLANT AC, PVPD, Polyvinylpyrolidone PVP/PA Copolymer, POLYVINYLPYRROLIDONEPOLYMERS, polyvinylpyrrolidone, povidone, POLY(N-VINYL-2-PYRROLIDONE) (LOW M.WT.), POLY(N-VINYL-2-PYRROLIDONE) (MED. M.WT.), CROSPOIRDONE, POLYVINYLPYRROLIDONE (K30) (POVIDONE), POLYVINYLPOLYPYRROLIDONE (PVP-40), pvp2, pvp3, k-30, pvp4, pvpd, pvp, pop, k60, k25, k115, PVP K-90 15% Solution, 2-Pyrrolidinone,1-Ethenyl-,Homopolymer, PVP K-90, Plasdone K-90, Agrimer, Albigen A, Hemodesis, K90, Luviskol K90, Plasdone, PVPP, PVP-K 90, Polyvinylpyrrolidone, Poly[1-(2-oxo-1-pyrrolidinyl)ethylene), 1-Ethenyl-2-pyrrolidinone polymers, 2-Pyrrolidinone, 1-ethenyl, homopolymer, 2-Pyrrolidinone, 1-vinyl-, polymers, N-Vinylpyrrolidinone polymer, N-Vinylbutyrolactam polymer, N-Vinylpyrrolidone polymer, Poly(n-vinlybutyrolactam), Poly(1-vinylpyrrolidinone), Poly(N-vinylpyrrolidinone), Vinylpyrrolidinone polymer, Vinylpyrrolidone polymer, Poly[1-(2-oxo-1-pyrrolidinyl)ethylene], 1-Ethenylpyrrolidin-2-one, PVPP, PNVP, Kollidon, Poly-N-vinylpyrrolidine, Sokalan K30, Kollidon 30, Povidone 30, 1-ethenylpyrrolidin-2-one, 9003-39-8, Polyvinylpyrrolidone K90, Povidone K90, Plasdone K90, Polyvidone K90, Kollidon K90, Vinrol 90, Poly(1-vinyl-2-pyrrolidone), PVP-90, Polyvinylpyrrolidone (high molecular weight)

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a hygroscopic, amorphous polymer supplied as a white, free-flowing powder or a clear aqueous solution.
Available in several molecular weight grades, they are characterized by K-value, and used in a great variety of applications.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be plasticized with water and most common organic plasticizers.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is considered to be physiologically inert.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is soluble in water and many organic solvents and it forms hard, transparent, glossy film.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is compatible with most inorganic salts and many resins.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) stabilizes emulsions, dispersions and suspensions.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a synthetic water-soluble polymer derived from N-vinylpyrrolidone monomers.
The "K90" denotes a high molecular weight grade characterized by increased viscosity in aqueous solution.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90), also commonly called polyvidone or povidone, is a water-soluble polymer made from the monomer N-vinylpyrrolidone.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a non-ionic polymer that is commercially available in several viscosity levels, from low to high molecular weight.

These classifications, combined with their solubility in aqueous/organic solvent systems, non-toxic characteristics, and stability against acids, salts, and heat, give Polyvinylpyrrolidone K90 (Povidone, PVP K-90) great flexibility in application.
Industrial applications of Polyvinylpyrrolidone K90 (Povidone, PVP K-90) include, for example, being used as an adhesive to improve strength and thickness.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is classified according to its average molecular weight size, which is usually marked by the K value, and different K values represent different average molecular weight ranges of PVP.

The K value is actually the characteristic value related to the relative viscosity of Polyvinylpyrrolidone K90 (Povidone, PVP K-90) aqueous solution, and the viscosity is the physical value related to the molecular weight of polymer, so the average molecular weight of PVP can be characterized by K value.

Generally speaking, the greater the K value, the greater the viscosity.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90), a non-ionic polymer, is the most distinctive and widely studied fine chemical variety among N-vinylamide polymers.

Has developed into non-ionic, cationic, anion 3 categories, industrial grade, pharmaceutical grade, food grade 3 specifications, relative molecular mass from thousands to more than one million homopolymer, copolymer and crosslinked polymer series products, and with Polyvinylpyrrolidone K90 (Povidone, PVP K-90)'s excellent unique properties have been widely used.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90), also commonly called povidone, is a water-soluble polymer compound made from the monomer N-vinylpyrrolidone.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is available in a range of molecular weights and related viscosities, and can be selected according to the desired application properties.

USES and APPLICATIONS of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Applications of Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used to take advantage of one or more properties inherent in the polymer, typically due to the lactam ring.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used high polarity and the resultant propensity to form complexes with hydrogen donors, such as phenols and carboxylic acids, as well as anionic dyes and inorganic salts.

Dispersancy, where components in a mixture are uniformly distributed through the use of Polyvinylpyrrolidone K90 (Povidone, PVP K-90), is used.
Hydrophilicity, where the substantial water solubility of Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used, is its dominant feature and frequently a factor along with other properties valuable to numerous applications.

Adhesion, taking advantage of the higher molecular weight Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used for formulating in aqueous media, then evaporating sufficient water to generate a solid product for the desired application.
Cohesivity, where cohesive strength is achieved through a variety of dry blending and granulation techniques.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a cross-linkable to a water-insoluble, swellable material either in the course of vinylpyrrolidone polymerization, by addition of an appropriate multifunctional comonomer or by post-reaction, typically through hydrogen abstraction chemistry.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) binds to polar molecules exceptionally well, owing to its polarity.
This has led to Polyvinylpyrrolidone K90 (Povidone, PVP K-90)'s application in coatings for photo-quality ink-jet papers and transparencies, as well as in inks for inkjet printers.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also used in personal care products, such as shampoos and toothpastes, in paints, and adhesives that must be moistened, such as old-style postage stamps and envelopes.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) has also been used in contact lens solutions and in steel-quenching solutions.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is the basis of the early formulas for hair sprays and hair gels, and still continues to be a component of some.
As a food additive, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a stabilizer.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also used in the wine industry as a fining agent for white wine and some beers.
In in-vitro fertilisation laboratories, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used to slow down spermatozoa in order to capture them for e.g. ICSI.

In molecular biology, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be used as a blocking agent during Southern blot analysis as a component of Denhardt's buffer.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also exceptionally good at absorbing polyphenols during DNA purification.

Polyphenols are common in many plant tissues and can deactivate proteins if not removed and therefore inhibit many downstream reactions like PCR.
In microscopy, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is useful for making an aqueous mounting medium.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be used to screen for phenolic properties, as referenced in a 2000 study on the effect of plant extracts on insulin production.
Pharmaceuticals uses of Polyvinylpyrrolidone K90 (Povidone, PVP K-90): Binder in tablets, film-former in coatings, solubilizer in liquid formulations.

Cosmetics: Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used Hair sprays, shampoos, skin care products as a film former and stabilizer.
Food Industry: Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used Clarifying agent in beverages, stabilizer.
Industrial: Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used Adhesives, inks, paint additives, and as a dispersant.

Medical: Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used Component in wound dressings and surgical adhesives.
Other uses of Polyvinylpyrrolidone K90 (Povidone, PVP K-90): Controlled release matrices in drug delivery systems.
Pharmaceutical: Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a new varieties of pharmaceutical excipients and have excellent performance.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) works as an excipient in more than one hundred kinds of drugs.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is mainly used as binder for tablet, dissolving 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, lubricator and antitoxic assistant for eye drug.

Other Utilities: Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also used as assistant in the realm of paint and coating, plastics and resin, adhesives, glass fiber, film, ink, TV tube, detergent, biocide, tabulating, textile dying and printing, etc.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a solubilizer and complexing agent.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as stationary liquid for gas chromatography.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also used in many technical applications.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a special additive for batteries, ceramics, fiberglass, inks, and inkjet paper, and in the chemical-mechanical planarization process.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as an emulsifier and disintegrant for solution polymerization.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used to increase resolution in photoresists for cathode-ray tubes (CRT).
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used in aqueous metal quenching.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used for production of membranes, such as dialysis and water purification filters.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a binder and complexation agent in agricultural applications such as crop protection, seed treatment and coating.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a thickening agent in tooth whitening gels.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as an aid for increasing the solubility of drugs in liquid and semi-liquid dosage forms (syrups, soft gelatine capsules) and as an inhibitor of recrystallisation.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as an additive to Doro's RNA extraction buffer.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a liquid-phase dispersion enhancing agent in DOSY NMR.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a surfactant, reducing agent, shape controlling agent and dispersant in nanoparticle synthesis and their self-assembly.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a stabilizing agent in all inorganic solar cells.
Other industrial uses of Polyvinylpyrrolidone K90 (Povidone, PVP K-90): coating, water treatment film, ink, ink, cleaning agent, disinfectant, textile printing and dyeing industry used as dispersant, film forming agent and emulsifier and other additives.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) early cosmetics industry direction can be used as film-forming agent, thickener, lubricant and binder, used for hair spray, mousse, hair setting gel, hair setting liquid.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as auxiliary agents in skin care products, hair dye, modifier, shampoo, lipstick, deodorant, sunscreen, toothpaste, etc.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is one of the new excipients for pharmaceutical synthesis.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be used as a binder for tablets and granules, a slow-release agent, a cosolvent and stabilizer for injections, a dispersant for glidants, liquid preparations and colorants, a stabilizer for enzymes and heat-sensitive drugs, a co-precipitating agent for insoluble drugs, a prolonging agent for eye drugs, a lubricant and a coating film-forming agent, etc.

There are hundreds of drugs using PVP as excipients.
Home care applications of Polyvinylpyrrolidone K90 (Povidone, PVP K-90): Dishwashing liquids, Dishwashing and laundry tablets, Laundry detergents, and Hard surface cleaners.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90), also known as polyvinylpyrrolidone or polyvidone, is a polymer and used as a binder in pharmaceutical tablets.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is widely used in medical products, hair care products and cosmetics.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is supplied in various viscosity grades as a powder and/or aqueous solution.
The industrial applications of Polyvinylpyrrolidone K90 (Povidone, PVP K-90) include, in adhesives to improve strength and toughness;
In paper manufacture to increase strength and as a coating resin; And in synthetic fibers to improve dye receptivity.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also widely employed in inks, imaging, lithography, detergents and soaps, the textile, ceramic, electrical and metallurgical industries and as a polymerization additive.
The full line of Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also available for personal care applications such as film forming, emulsion stabilization and colorant dispersion.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is widely used in pharmaceuticals, cosmetics, food, and industrial applications due to its excellent solubility, film-forming, and binding properties.
While it is used as a film former in hair styling products, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can also be used as an emulsion stabilizer in creams and lotions and as a dispersant for hair colorants.

Additionally, pharmaceutical grade Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be used in toothpastes and mouthwashes.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used in several industries like adhesives, ceramics, glass and glass-fiber, inks and coatings, electronic appliances, lithography and photography, fibers and textiles, membranes, metallurgy, paper, etc.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) acts as a film former.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) stabilizes emulsions, dispersions and suspensions.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) forms clear, hard & glossy film.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is suggested for use in hair styling formulations.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a colloidal stabilizer and clarifier,
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be used for the clarification of beer, according to the production needs of the appropriate amount of use.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used to increase strength in paper production.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a resin coating.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used Modified dyes in synthetic fibers.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also commonly used in inks, imaging, lithography, detergents and soaps, textiles, pottery, electricity, metallurgy, and as a polymer additive.
Due to its excellent adhesion, film forming, dispersion and thickening properties, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is also widely used in the pharmaceutical industry.

-Cosmetics uses of Polyvinylpyrrolidone K90 (Povidone, PVP K-90): 
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be used as film-forming agent, viscosity-enhancement agent, lubricator and adhesive.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is the key component of hair sprays, mousses, gels and lotions & solution, hair-dying reagent and shampoo in hair-care products.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can also be used as assistant in skin-care products, eye make-ups, lipsticks, deodorants, sunscreens and dentifrices.

-Medical uses of Polyvinylpyrrolidone K90 (Povidone, PVP K-90):
There are high-purity injectable grades of PVP available on the market, for specific use in intravenous, intramuscular, and subcutaneous applications.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a frequently used binder in pharmaceutical tablet formulations.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) added to iodine forms a complex called povidone-iodine that possesses disinfectant properties.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used in various products such as solutions, ointment, pessaries, liquid soaps, and surgical scrubs.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is sold under the trade names Pyodine and Betadine, among others.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used in pleurodesis (fusion of the pleura because of incessant pleural effusions).
For this purpose, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is as effective and safe as talc, and may be preferred because of its easy availability and low cost.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used in some contact lenses and their packaging solutions.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) reduces friction, thus acting as a lubricant, or wetting agent, built into the lens.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is used as a lubricant in some eye drops, e.g. Bausch & Lomb's Soothe.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) was used as a plasma volume expander for trauma victims after the 1950s.
It is not preferred as a volume expander due to Polyvinylpyrrolidone K90 (Povidone, PVP K-90)'s ability to provoke histamine release and also interfere with blood grouping.

MAIN APPLICATIONS AND FUNCTIONS of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
*Pharmaceutical field: 
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be used as binder for tablets, particles, co-solvent and stabilizer for injections, flow aid for capsules, dispersant for liquid preparations and coloring agents, eye detoxification and lubricant and coating film agent.

*Daily cosmetics: 
In the cosmetics industry, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) can be used as dispersant, film forming agent, thickener and adhesive, for hair care products such as spray, mousse, hair gel, shampoo, hair liquid, hair dye; Skin care products such as lip balm, sunscreen, moisturizer and household products deodorant, toothpaste, etc.

HOME CARE FEATURES AND BENEFITS of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) acts as rheology modifier.
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a highly adhesive tablet binder.
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) stabilizes emulsion and structures liquid products.
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) provides anti-soil redeposition, enzyme stabilization and dye transfer inhibition.
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) functions as binder and protective coating for enzymes.
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) provides surface shine enhancement.
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) forms hard, transparent, glossy films.

APPEARANCE AND PROPERTIES of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a white to milky white free flowing powder, odorless or slightly characteristic odor, soluble in water and a variety of organic solvents, with good hygroscopicity, film formation, adhesion, physiological inertia and complexing ability.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is divided into four stages according to its average molecular weight size, which is usually expressed by the K value, and different K values represent the corresponding average molecular weight range of PVP.

The K value is actually an eigenvalue related to the relative viscosity of Polyvinylpyrrolidone K90 (Povidone, PVP K-90) aqueous solution, and the viscosity is a physical quantity related to the molecular weight of polymers, so the average molecular weight of PVP can be characterized by K value.
Generally, the greater the K value, the greater the viscosity and the stronger the adhesion.

PROPERTIES AND BENEFITS of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
*Water-soluble and non-toxic.
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) forms clear, flexible films.
*Excellent binder and adhesive properties.
*Polyvinylpyrrolidone K90 (Povidone, PVP K-90) improves solubility and bioavailability of poorly soluble drugs.
*Stable over wide pH range and compatible with many substances.
*High molecular weight leads to increased viscosity and film strength.
*Non-irritating and safe for topical and oral use.
*Hygroscopic nature enables moisture retention.

PROPERTIES of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is soluble in water and other polar solvents.
For example, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is soluble in various alcohols, such as methanol and ethanol, as well as in more exotic solvents like the deep eutectic solvent formed by choline chloride and urea (Relin).

When dry Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a light flaky hygroscopic powder, readily absorbing up to 40% of its weight in atmospheric water.
In solution, Polyvinylpyrrolidone K90 (Povidone, PVP K-90) has excellent wetting properties and readily forms films.

This makes Polyvinylpyrrolidone K90 (Povidone, PVP K-90) good as a coating or an additive to coatings.
A 2014 study found fluorescent properties of Polyvinylpyrrolidone K90 (Povidone, PVP K-90) and its oxidized hydrolysate.

HISTORY of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) was first synthesized by BASF chemist Walter Reppe, and a patent was filed in 1939 for one of the derivatives of acetylene chemistry.

Polyvinylpyrrolidone K90 (Povidone, PVP K-90) was initially used as a blood plasma substitute and later in a wide variety of applications in medicine, pharmacy, cosmetics and industrial production.
BASF continues to make Polyvinylpyrrolidone K90 (Povidone, PVP K-90), including a pharmaceutical portfolio under the brand name of Kollidon.

NATURE of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is a white powder, with slightly odor.
Hygroscopic.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is soluble in water, ethanol, ether and other organic solvents.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) has a variety of substances that have a strong ability to complex adsorption.

PREPARATION METHOD of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is obtained by polymerizing n-vinyl-2-pyrrolidone in the presence of a basic catalyst or N,N'-vinyltriazole, followed by purification.

Standard
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is obtained by polymerizing pyrrolidone and ethylene under pressure to form a vinyl pyrrolidone monomer by the action of a catalyst.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) having an average molecular weight of 3.8x 10⁴ and a molecular formula of (C6H9NO)n, where n represents the average number of 1-vinyl-2-pyrrolidone moieties.

TRAIT of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is white to milky white powder;
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is odorless or slightly odorous, tasteless;
With hygroscopicity.
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is soluble in water, ethanol, isopropanol or chloroform, and insoluble in acetone or ether.

◆ NATURE of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Polyvinylpyrrolidone K90 (Povidone, PVP K-90) is hygroscopic, soluble in water, ethanol, ether and other organic solvents, and has strong complex adsorption capacity for various substances.

PHYSICAL and CHEMICAL PROPERTIES of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
Molecular Formula: (C6H9NO)n
Molar Mass: 111.143
Density: 1,69 g/cm3
Melting Point: 130℃
Boling Point: 90-93 °C
Water Solubility: >=10 g/100 mL at 20 C
Appearance: White powder
Storage Condition: Room Temprature    
Melting Point: 130°C

Molecular Formula / Molecular Weight: (C6H9NO)n
Physical State (20 deg.C): Solid
Store Under Inert Gas: Store under inert gas
Condition to Avoid: Air Sensitive,Hygroscopic
CAS RN: 9003-39-8
PubChem Substance ID: 87574664
Merck Index (14): 7697
MDL Number: MFCD01076626
CAS: 9003-39-8

Molecular Formula: (C6H9NO)n
Molecular Weight (g/mol): 111.14
MDL Number: MFCD01076626
InChI Key: WHNWPMSKXPGLAX-UHFFFAOYSA-N
Color: White
Physical Form: Crystalline Powder
Chemical Name or Material: Polyvinylpyrrolidone K 90 Average Molecular Wt. 360,000
Characteristics: White or yellowish-white, hydroscopic powder
Identification A, B, C: Positive
K-value: 81.0-97.2

Residue on ignition: 0.10%max
Vinylpyrrolidone: 0.20% max
Water: 5.0% max
Heavy metals (as Pb): 10ppm max
Hydrazine: 1ppm max
Nitrogen: 11.5-12.8%
Aldehydes (as acetaldehyde): 0.05% max
pH value (5% water solution): 3.0-7.0

Chemical Formula: (C6H9NO)n
CAS Number: 9003-39-8
IUPAC Name: Polyvinylpyrrolidone K 90
INCI Name: Polyvinylpyrrolidone
Molecular Weight: 111.14 grams/mole
Specific Gravity: N/A
Boiling Point: 165 °C
Flash Point: N/A
Odor: Bland

pH Level: 3 to 7
HLB Value: 18
Color:    White or off-white
Grade Standard:    Technical Grade
Shelf Life: 24 months
Purity (%): 99%
Form: Powder
Alternative Names: PVP
Solubility: Yes
Physical state: powder

Color: beige
Odor: No data available
Melting point/freezing point: No data available
Initial boiling point and boiling range: No data available
Flammability (solid, gas): No data available
Upper/lower flammability or explosive limits: No data available
Flash point: No data available
Autoignition temperature: No data available

Decomposition temperature: No data available
pH: 5,0 - 8 at 10 g/l at 20 °C
Viscosity 
Viscosity, kinematic: No data available
Viscosity, dynamic: No data available
Water solubility: No data available
Partition coefficient: n-octanol/water: No data available
Vapor pressure: No data available
Density: No data available

Relative density: No data available
Relative vapor density: No data available
Particle characteristics: No data available
Explosive properties: No data available
Oxidizing properties: No data available
Other safety information: No data available
CAS No.: 9003-39-8

Density: 1.144g/cm3
Molecular Formula: C6H9NO
Boiling point: 217.6°C
Melting point: 130°C
Flashing point: 93.9°C
Stability: Stable. 
Incompatible with strong oxidizing agents. 
Light sensitive. 
Hygroscopic.

Appearance: White powder
Storage: Store at RT.
CAS: 9003-39-8
Mol. Formula: (C6H9NO)n
HSN Code: 39059910
Mol. Weight: ~40000
Appearance (Form): Powder
Appearance (Colour): White
Maximum limits of impurities

Residual monomer content: 0.8%
Water content: 5%
Sulphate ash: 0.02%
pH: 3-7
K-value: 27-32.4
Viscosity:  at 25° C (5% aqu. solution) About 2.4 cP
CAS:9003-39-8
MF:CH4
MW:16.04246

EINECS:1312995-182-4
Mol File:9003-39-8.mol Melting point:~165 °C (dec.)(lit.)
Boiling point:90-93 °C
Density 1,69 g/cm3
storage temp. Store at RT.
solubility H2O: soluble100mg/mL
form: powder
color: White to yellow-white
PH: 3.0-5.0

Water Solubility: Soluble in water.
Sensitive: Hygroscopic
Merck: 14,7697
Stability:Stable. 
Incompatible with strong oxidizing agents. 
Light sensitive. 
Hygroscopic.
Molecular Formula: (C6H9NO)n
Grade: Laboratory Reagent (LR)
CAS: 9003-39-8

Molecular Weight: Approx. 40000
CAS No: 9003-39-8
Molecular Weight: ~30kD
Appearance: Off-white to white powder
Vinylpyrrolidone (HPLC)≤0.001%
pH: (10%)3.0-5.0
K Value: 27-32.4
Total aerobic microbial count: <200cfu/g
Total combined yeast/mold counts: <20cfu/g

Molecular Formula / Molecular Weight: (C6H9NO)n
Physical State (20 deg.C): Solid
Store Under Inert Gas: Store under inert gas
Condition to Avoid: Hygroscopic
CAS RN: 9003-39-8
PubChem Substance ID: 87574663
Merck Index (14): 7697
MDL Number: MFCD01076626

Chemical Name: Polyvinylpyrrolidone K90 (Povidone K-90)
CAS Number: 9003-39-8
EC Number: 618-409-00-7
MDL Number: MFCD00149016
UNSPSC Code: 12162002
PubChem Substance ID: 24887621
NACRES: NA.23
Molecular Formula: (C6H9NO)n (polymer)
Molar Mass: Approx. 360,000 g/mol (varies with polymerization degree)

Monomer Molecular Weight: 111.143 g/mol
Appearance: White to off-white powder or granules
Odor: Odorless or very faint odor
Density: 1.69 g/cm³ (bulk density ~1.2 g/cm³ varies)
Melting Point: ~130 °C (does not truly melt, decomposes above 150 °C)
Boiling Point: 90–93 °C (likely refers to monomer or specific polymer fraction)
Solubility:
Soluble in water and alcohols
Insoluble in ether and hydrocarbons

Water solubility ≥ 10 g/100 mL at 20 °C
pH (5% aqueous solution): Approximately neutral, ~5.8
Viscosity: High viscosity in aqueous solutions; 
depends on molecular weight and concentration
Thermal Stability: Stable below 150 °C; decomposes above 200 °C
Hygroscopicity: Hygroscopic, absorbs moisture from air
Storage Condition: Store at room temperature, keep dry
Additional Data:
K Value: 92.5
Moisture Content: ~2.8%

FIRST AID MEASURES of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
-Description of first-aid measures:
*If inhaled:
If breathed in, move person into fresh air. 
*In case of skin contact:
Wash off with soap and plenty of water.
*In case of eye contact:
Flush eyes with water as a precaution.
*If swallowed:
Never give anything by mouth to an unconscious person. 
Rinse mouth with water.
-Indication of any immediate medical attention and special treatment needed:
No data available

ACCIDENTAL RELEASE MEASURES of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
-Environmental precautions:
No special environmental precautions required.
-Methods and materials for containment and cleaning up:
Keep in suitable, closed containers for disposal.

FIRE FIGHTING MEASURES of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
-Extinguishing media:
*Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
-Further information:
No data available

EXPOSURE CONTROLS/PERSONAL PROTECTION of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection
*Skin protection:
Handle with gloves. 
Wash and dry hands.
Full contact:
Material: Nitrile rubber
Minimum layer thickness: 0,4 mm
Break through time: 480 min
Splash contact:
Material: Nitrile rubber
Minimum layer thickness: 0,4 mm
Break through time: 480 min
*Body Protection:
Impervious clothing.
*Respiratory protection:
Respiratory protection not required.
-Control of environmental exposure:
No special environmental precautions required

HANDLING and STORAGE of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Store in cool place. 
Keep container tightly closed in a dry and well-ventilated place.

STABILITY and REACTIVITY of POLYVINYLPYRROLIDONE K90 (POVIDONE, PVP K-90):
-Reactivity:
No data available
-Chemical stability:
Stable under recommended storage conditions.
-Possibility of hazardous reactions:
No data available
-Conditions to avoid:
No data available