Name: China Supplier High Quality Best Price Polyvinylpyrrolidone (PVP) CAS 9003-39-8
Brand: Wuhan Fortuna Chemical Co., Ltd.

Specifications of Polyvinylpyrrolidone (PVP) CAS 9003-39-8

Item	Specifications	Results
Appearance	White or yellowish-white powder	Qualified
K Value	27-32	30.4
N-Vinylpyrrolidone	≤0.1%	0.032%
Residue on ignition	≤0.1%	0.061%
PH Value (5% in water)	3-7	3.72
Heavy Metal	≤10 ppm	<10 ppm
Acetal dehyde	≤0.05%	<0.05%
Hydrazine	≤1.0 ppm	<1.0 ppm

Parameters of Polyvinylpyrrolidone (PVP) CAS 9003-39-8

Product parameters
Cas number:	9003-39-8
Appearance:	White or yellowish-white powder
Purity:	99% min
Package details:	1kg/foil bag, 25kg/drum
Brand:	Fortunachem

Polyvinylpyrrolidone (PVP) is a water-soluble synthetic polymer, meaning it's a large, chain-like molecule made by chemically linking together many smaller units (monomers) of vinylpyrrolidone. It is also known by other names, most commonly povidone and crospovidone (its cross-linked form).

Its chemical formula is (C₆H₉NO)ₙ, where *n* represents the number of repeating units. The key to its usefulness is the pyrrolidone group in its structure, which allows it to form hydrogen bonds with a wide variety of substances, making it an excellent solubilizer and binder.

Key Properties

PVP's popularity stems from its unique combination of properties:

Excellent Water Solubility: It dissolves easily in cold water, as well as in many other polar solvents.
Biocompatibility and Low Toxicity: It is non-toxic, non-irritating, and non-sensitizing for most applications, making it safe for use in pharmaceuticals and cosmetics.
Film-Forming Ability: It can form clear, tough, and glossy films when a solution dries.
Adhesive Properties: It acts as a good binder and adhesive.
Complexation Agent: It can form complexes with a wide range of substances, including many drugs, dyes, and iodine (this is the basis for povidone-iodine antiseptics).
Chemical Inertness: It is generally stable and doesn't react with many other chemicals.
Physiological Inertness: It passes through the body without being metabolized.

Common Uses and Applications

PVP is an incredibly versatile polymer used across numerous industries.

1. Pharmaceuticals & Healthcare (its most critical use)

Binder in Tablets: PVP is widely used as a binder in the production of tablets. It helps powder ingredients stick together to form a hard, solid pill after compression.
Disintegrant: Its cross-linked form, crospovidone, acts as a super-disintegrant. It rapidly absorbs water and swells, causing tablets to break apart quickly in the stomach for fast drug release.
Solubility Enhancer: PVP can form stable complexes with poorly soluble drugs, increasing their dissolution rate and bioavailability (how much drug the body can absorb).
Povidone-Iodine (PVP-I): This is a stable complex of PVP and iodine. It's a widely used antiseptic in solutions, ointments, and surgical scrubs because it provides a sustained release of iodine.
Coating Agent: Used to coat tablets to mask taste, improve appearance, or control drug release.
Plasma Expander: In its early history, PVP was used as a blood plasma substitute or expander for trauma patients, though this use is less common today.

2. Cosmetics & Personal Care

Hair Styling Products: A major use is in hairsprays and mousses. Its film-forming ability helps hold hair in place without making it overly stiff or sticky.
Toothpaste: Used as a binder to stabilize the paste and prevent separation of its solid and liquid components.
Creams & Lotions: Acts as a thickening agent, emulsion stabilizer, and protective colloid.
Make-Up: Used in mascara, eyeliner, and foundations for its film-forming and binding properties.

3. Technical & Industrial Applications

Adhesives: Used in glue sticks and water-soluble adhesives (e.g., on postage stamps and envelopes).
Printing & Textiles: Serves as a thickening agent and binder for dyes and pigments in inks and textile printing.
Detergents: Acts as a dye transfer inhibitor in laundry detergents, preventing dyes released from one garment from staining others.
Photography: Used as a coating layer for photographic films and papers.
Electronics: Used as a binder and dispersant in the production of ceramics, capacitors, and the electrodes of lithium-ion batteries.
Winemaking & Brewing: Used as a clarifying/fining agent to remove phenolic compounds (which cause haze and bitterness) from beer and wine.

Safety

PVP is generally recognized as safe (GRAS) for use in pharmaceuticals, food, and cosmetics by regulatory bodies like the U.S. FDA. It is non-toxic, non-irritating, and non-sensitizing for topical and internal use. When ingested, it is not absorbed by the gastrointestinal tract and is excreted unchanged.

Summary

Property	Description
Full Name	Polyvinylpyrrolidone
Also Known As	PVP, Povidone, Polyvidone
Chemical Family	Water-soluble polymer
Key Feature	Excellent solubility, binding, and film-forming ability
Primary Uses	Pharmaceutical tablets (binder/disintegrant), antiseptic (povidone-iodine), hairspray, adhesives, and numerous industrial processes.

In essence, PVP is a workhorse polymer that adds crucial functionality—like binding, dissolving, stabilizing, and film-forming—to a vast array of everyday products, from the medicine you take to the hairspray you use.