Description
Product Description
1. Basic Information
Chemical Name: Polyvinylpyrrolidone
Common Acronym: PVP
Other Names: Povidone (Pharmacopeial name), Polyvidone
CAS Registry Number: 9003-39-8
Chemical Structure: A water-soluble synthetic polymer composed of repeating N-vinylpyrrolidone monomer units. It is typically characterized by its K-value (a viscosity-based index related to its average molecular weight, e.g., PVP K30).
2. Key Characteristics
Appearance: White to creamy-white hygroscopic powder or flakes.
Solubility: Freely soluble in water and various polar organic solvents (e.g., alcohols, chloroform).
Key Properties: Excellent film-forming, adhesive, suspending, and dispersing capabilities. It is physiologically inert, non-toxic, and exhibits strong complexation with many substances.
Stability: Chemically stable, though hygroscopic. Compatible with a wide range of other chemicals.
Test Items Specification Appearance White to milky white powdery solid Identification A.B.C. Positive K value 27-32 Moisture,% ≤5.0 Residue on ignition,% ≤0.1 PH of 5% aqueous solution 3.0-7.0 1-Vinylpyrrolidin-2-one,% ≤0.1 Nitrogen,% 11.5-12.8 Aldehyde,% ≤0.05 Heavy metal,ppm ≤10 Hydrazine,ppm ≤1.0 Peroxide,ppm ≤400
Get a Quick Quote Now
Tell us what you need — we’ll provide the best price and solution fast.
contact us
Start Your Order
Submit your inquiry form to get a customized quotation.
Your Email Address...
submit
