N-Vinylpyrrolidon
Hangzhou Weitong Nanomaterials Co., Ltd. is an innovative enterprise focusing on the field of nanomaterials, founded in 2015. We mainly produce and sell N-vinylpyrrolidone and downstream PVP series products. Hangzhou Weitong Nano Materials Co., Ltd. is committed to providing customers with the most suitable products in line with the enterprise spirit of "integrity, innovation, dedication and cooperation".

Advantages to choose us:
1.Free sample service:
We can provide you with free samples if you want.
2.Direct factory,competitive price:
We are the manufacturer, and we produce these products by ourselves, so there is no extra payment link in the middle. We can give you the most competitive price.
3.Quality control:
We have the ISO9001 certificate, and we strictly follow GMP production standards for production.
4.Good after-sale service:
We have a sound after-sales service system, so whatever you have any doubt about the product ,you can strictly contact us , we will give you a satisfied plan.
5. What can you get from us?
You can get excellent products (strict quality control ) ,factory direct sale (favorable and competitive price),great service( after-sales services, fast delivery)and professional business consultation.
Product Introduction
N-Vinylpyrrolidone (NVP) is a highly reactive, water-soluble monomer with the chemical formula C₆H₉NO.
Key features include:
- Excellent reactivity: Readily undergoes polymerization and copolymerization.
- High polarity & solubility: Miscible with water and organic solvents.
- Biocompatibility: Low toxicity and safe for medical/cosmetic use.
- Thermal/chemical stability: Suitable for demanding industrial processes.
- Polymers & Adhesives: Key raw material for polyvinylpyrrolidone (PVP), used in adhesives, coatings, and specialty resins.
- Pharmaceuticals: Binder in tablets, drug delivery systems, and disinfectants.
- Cosmetics: Moisturizer in shampoos, creams (as PVP), and hair styling products.
- Industrial Uses: Fiber sizing, photo-resist chemicals, and ink formulations.
- Biomedical: Hydrogels for contact lenses and wound dressings.

Product classification
N-Vinylpyrrolidone (NVP) is a monomer used in the production of various polymers and copolymers.Depending on the reaction conditions and other monomers used, NVP can be used to producehomopolymers or copolymers with different properties. One of the most common products made fromNVP is polyvinylpyrrolidone (PVP), which is widely used as an excipient in pharmaceuticals,cosmetics, and food products. In addition to PVP, NVP is also used as a raw material in theproduction of other polymers, such as poly(N-vinylcaprolactam) (PVCL), poly(N-vinylimidazole)(PVI), and poly(N-vinylacetamide) (PNVA). NVP can also be copolymerized with other vinylmonomers, such as vinyl acetate, acrylic acid, and ethylene, to produce copolymers with specificproperties, such as adhesives, coatings, and surfactants. Overall, the product classification of NVP isdiverse and versatile, with endless applications in various industries.
Product parameters
Industrial grade
|
Inspection items |
Standard requirements and marked value requirements |
|
|
Excellent product |
First-class product |
|
|
Appearance |
Colorless or yellowish transparent liquid |
|
|
Purity W %, ≥ |
99.90 |
99.50 |
|
Moisture content(%), ≤ |
0.03 |
0.05 |
|
Chromaticity Hazen units (platinum-cobalt number), ≤ |
20 |
30 |
|
γ-Butyrolactone,W % ≤ |
0.05 |
0.10 |
|
Refractive index |
1.4680~1.4720 |
|
|
Total amines W % ≤ |
0.01 |
/ |
|
PH value (1ml/10ml) aqueous solution |
7-10 |
/ |
Electronic grade
|
Serial Number |
Test items |
Quality Index |
|
1 |
Purity(%),≥ |
99.9 |
|
2 |
Moisture content(%),≤ |
0.02 |
|
3 |
Chroma (Pa-Co) number,≤ |
15 |
|
4 |
GBL(%),≤ |
0.03 |
|
5 |
Total amines(mg/kg)≤ |
20 |
|
6 |
CL-,(mg/kg)≤ |
0.5 |
|
7 |
SO42-(mg/kg)≤ |
0.5 |
|
8 |
NO3-(mg/kg)≤ |
0.5 |
|
9 |
sodium(μg/kg)≤ |
10 |
|
10 |
Potassium(μg/kg)≤ |
10 |
|
11 |
iron(μg/kg)≤ |
10 |
|
12 |
copper(μg/kg)≤ |
10 |
|
13 |
magnesium(μg/kg)≤ |
10 |
|
14 |
zinc(μg/kg)≤ |
10 |
|
15 |
aluminum(μg/kg)≤ |
10 |
|
16 |
calcium(μg/kg)≤ |
10 |
|
17 |
chromium(μg/kg)≤ |
10 |
|
18 |
manganese(μg/kg)≤ |
10 |
|
19 |
nickel(μg/kg)≤ |
10 |
|
20 |
lead(μg/kg)≤ |
10 |
FAQS

















