Hangzhou Leap Chem Co., Ltd. is one of the most professional manufacturers and suppliers of poly(1-vinylpyrrolidone-co-vinyl acetate)丨cas 25086-89-9 in China. Welcome to wholesale bulk high quality chemical products at competitive price from our factory. If you have any enquiry about custom service, please feel free to email us.
Specifications of Poly(1-vinylpyrrolidone-co-vinyl acetate)丨CAS 25086-89-9
|
Item |
Specification |
|
Grade |
USP-NF 2024 and EP11 |
|
Appearance |
White or yellowish-white, hygroscopic powder or flakes |
|
Solubility |
Freely soluble in water, ethanol (96%), and methylene chloride |
|
Identification A, B, C |
Positive |
|
Appearance of Solution |
Not more opalescent than reference suspension II; color ≤ B5, R5 or BY5 |
|
pH (10% solution) |
3.0 – 7.0 |
|
Viscosity (K-value) |
27.0 – 33.0 |
|
Aldehydes (as Acetaldehyde) |
Max 500 ppm |
|
Peroxides (as H2O2) |
Max 400 ppm |
|
Hydrazine |
Max 1 ppm |
|
1-Vinylpyrrolidin-2-one |
Max 10 ppm |
|
Vinyl acetate |
Max 10 ppm |
|
2-Pyrrolidone |
Max 0.5% |
|
Heavy metals |
Max 10 ppm |
|
Cd* |
Max 0.5 ppm |
|
Pb* |
Max 0.5 ppm |
|
As* |
Max 1.5 ppm |
|
Hg* |
Max 3 ppm |
|
V* |
Max 10 ppm |
|
Co* |
Max 5 ppm |
|
Ni* |
Max 20 ppm |
|
Loss on Drying |
Max 5.0% |
|
Water |
Max 5.0% |
|
Sulfate Ash / Residue on Ignition |
Max 0.1% |
|
Copolymerized Vinyl Acetate Content |
35.3 – 41.4% |
|
Assay (Nitrogen content) |
7.0 – 8.0% |
|
Microbiological Status* |
Max 100 CFU/g (aerobic plate count) |
Transport Information of Poly(1-vinylpyrrolidone-co-vinyl acetate)丨CAS 25086-89-9
|
Parameter |
Specification |
|
UN Number |
|
|
Class |
|
|
Packing Group |
|
|
H.S. Code |
2933790099302 |
|
Stability & Reactivity |
The product is chemically stable under standard ambient conditions (room temperature). |
|
Storage |
Tightly closed. Store in a closed, dry, ventilated place |
|
Condition to Avoid |
25kg |
|
Package |
Manufacturing Information of Poly(1-vinylpyrrolidone-co-vinyl acetate)丨CAS 25086-89-9
|
Parameter |
Specification |
|
Capacity |
10MT/month |
|
Frequency |
|
|
Main Export Countries |
|
|
Capacity/Batch |
|
|
Experience |
|
|
Stock |
Overview
Poly(1-vinylpyrrolidone-co-vinyl acetate)丨CAS 25086-89-9, commonly known as VP/VA copolymer, is a widely used film-forming agent, adhesive, and binder, valued for its excellent solubility, film-forming ability, and compatibility with other polymers and active ingredients. It is non-ionic, making it stable across a broad pH range and compatible with various formulations.
Applications of Poly(1-vinylpyrrolidone-co-vinyl acetate)丨CAS 25086-89-9
1. Personal Care and Cosmetics
Poly(1-vinylpyrrolidone-co-vinyl acetate)丨CAS 25086-89-9is a key ingredient in hair, skin, and beauty products, known for forming flexible, breathable, and clear films. Its applications include:
a. Hair Styling Products
● Found in hair gels, sprays, mousses, and waxes.
● Provides:
oExcellent hold and style retention
oGloss and smooth texture
oResistance to humidity (anti-frizz)
b. Skincare and Color Cosmetics
● Used in foundations, BB creams, and lotions.
● Acts as:
oFilm former
oStabilizer
oFixative for pigments
c. Sunscreens and SPF Formulas
● Enhances water resistance and UV filter adhesion on the skin.
2. Pharmaceutical Industry
In pharmaceutical formulations, especially oral solid dosage forms, the VP/VA copolymer serves as:
● Tablet binder and film coating agent
● Dispersing agent in dry suspensions
● Stabilizer for poorly soluble APIs (used in solid dispersions)
Benefits in pharmaceuticals:
● Improves tablet integrity
● Enhances drug bioavailability
● Allows controlled release formulations
3. Industrial and Household Products
The polymer's excellent film-forming and adhesive properties also make it suitable in:
a. Adhesives
● Employed in water-based adhesives for paper, labels, and packaging
● Offers tackiness, quick setting, and clean removability
b. Paints and Coatings
● Used in architectural coatings as a film former and binder
● Contributes to washability, adhesion, and surface finish
c. Textile Finishes
● Acts as a coating agent to enhance texture and anti-pilling properties
4. Agricultural Formulations
In agrochemical formulations, the VP/VA copolymer serves as:
● Binder and dispersant for wettable powders and granules
● Enhances solubility, spreadability, and environmental stability of active ingredients
Benefits of Poly(1-vinylpyrrolidone-co-vinyl acetate)丨CAS 25086-89-9
1. Excellent Film Formation
● Forms clear, flexible, and non-tacky films on skin, hair, or surfaces
● Enhances barrier properties, appearance, and longevity of cosmetic and pharmaceutical products
2. Water and Humidity Resistance
● Provides moisture resistance in formulations
● In hair care, it reduces frizz and improves style durability
● In tablets and coatings, it enhances shelf stability
3. Compatibility and Stability
● Non-ionic nature allows compatibility with:
oCationic and anionic actives
oWide pH range (pH 3–9)
oAlcohols and water-based systems
● Offers chemical stability and non-reactivity
4. Enhances Drug Solubility and Bioavailability
● Used in solid dispersion systems for poorly water-soluble drugs
● Improves dissolution rate and oral absorption
5. Safe and Biocompatible
● Widely recognized as non-toxic, non-irritating, and biocompatible
● Approved for use in cosmetics, pharmaceuticals, and food packaging (depending on grade and regulatory requirements)
Conclusion
Poly(1-vinylpyrrolidone-co-vinyl acetate)丨CAS 25086-89-9 is a highly functional copolymer used across cosmetic, pharmaceutical, industrial, and agricultural sectors. With its film-forming, adhesive, and solubility-enhancing properties, this copolymer improves product performance, stability, and user experience. Its non-ionic, biocompatible, and customizable nature makes it a versatile and trusted ingredient in modern formulation science.
