Polyvinylpyrrolidone PVP K30 [ CAS :9003-39-8 ] >99% - 5000g

Polyvinylpyrrolidone (PVP K30)
Other Names: Povidone K30, PVP, Povidonum
CAS Number: 9003-39-8
Sum Formula: (C₆H₉NO)ₙ
Molar Mass: Variable (polymer; average molecular weight for K30 ~40,000 g/mol)
Appearance: White to off-white hygroscopic powder

Polyvinylpyrrolidone (PVP K30) is a synthetic, water-soluble polymer widely used in industrial and laboratory applications due to its excellent film-forming, adhesive, and dispersing properties. It is classified based on its K-value, which indicates molecular weight; K30 is a commonly used medium-weight grade.

Chemical and Physical Properties

• Density: ~1.2 g/cm³

• Melting Point: Decomposes before melting

• Solubility in Water: Highly soluble

• Solubility in Other Solvents: Soluble in ethanol, methanol, and other polar organic solvents

• Odor: Odorless

• Form: Powder or flakes

Applications

• Adhesives and Coatings: Used as a binder and thickening agent in adhesives, inks, and coatings.

• Polymer Blends: Incorporated into composites and polymer systems to improve dispersion and mechanical properties.

• Cosmetics and Personal Care: Acts as a film-former and viscosity enhancer in formulations such as gels and sprays.

• Laboratory Use: Employed as a stabilizer and dispersant in colloidal systems and nanoparticle synthesis.

Safety

Signal Word: None under typical classification (non-hazardous in solid form)

Hazard Statements:
No classification under GHS criteria for solid form. Dust generation should be minimized.

Precautionary Statements:

• P261: Avoid breathing dust.

• P280: Wear appropriate protective equipment when handling powders.

• P501: Dispose of contents/container in accordance with local regulations.

Handling and Storage

• Storage Conditions: Store in a tightly sealed container in a cool, dry, well-ventilated area. Protect from moisture.

• Handling Precautions: Minimize dust formation. Use adequate dust extraction and avoid inhalation.