2 Pyrrolidone
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 Description
2 Pyrrolidone is also known as pyrrolidone, azolone, butyrolactam. It is an organic compound with a molecular formula of C4H7NO. Colorless crystals, can be used as solvents and organic synthesis intermediates, used to make nylon-4 and vinyl pyrrolidone. 2-Pyrrolidone (2P) is a cyclic amide with a wide range of industrial applications. It is commonly used as a solvent in the production of polymers, resins, and other chemicals. It is also used as a starting material in the production of other chemicals such as polyvinylpyrrolidone (PVP) and N-vinylpyrrolidone (NVP). In the pharmaceutical industry, 2P is used as a solubilizer, as an intermediate in the synthesis of various drugs, and as a polymer carrier for drug delivery systems. Additionally, 2P is used in the cosmetic industry as a humectant and as a coupling agent in hair dyes and permanent wave solutions. Due to its high boiling point, low toxicity, and excellent solvency, 2P is a versatile ingredient with diverse uses across various industries.
Physical properties:
It is a colorless crystal below 23℃, and exists as a clear and transparent liquid above 24.6℃, with good chemical stability and non-corrosiveness. Miscible with lower ketones, alcohols and chloroform.
Application
2-Pyrrolidone has a variety of applications in different industries. It is commonly used as a solvent for many polar and nonpolar compounds, as well as a chemical intermediate in the production of other chemicals such as pesticides, pharmaceuticals, and polymers. When used in the pharmaceutical industry, 2-Pyrrolidone is used as a solubilizer and stabilizer for various active pharmaceutical ingredients. It also finds application as a dye and pigment dispersant in the paint and coatings industry, and as a surfactant in the personal care industry. Additionally, 2-Pyrrolidone can be utilized as a catalyst and electrolyte in the production of lithium ion batteries.

Product classification
2-pyrrolidone (2P) can be classified as a versatile chemical ingredient with a wide range of applications in various industries. Some of the common product categories where 2P can be used include solvents, polymers, pharmaceutical intermediates, and cosmetic ingredients. As a solvent, it can be used in the production of resins, polymers, and other chemicals. In the polymer industry, 2P can be used as a starting material in the production of polyvinylpyrrolidone (PVP) and N-vinylpyrrolidone (NVP). In the pharmaceutical industry, it can be used as a solubilizer and as an intermediate in the synthesis of various drugs. In the cosmetic industry, it can be used as a humectant and as a coupling agent in hair dyes and permanent wave solutions. Thus, depending on the industry and application, 2P can be classified into different product categories based on its specific use and properties.
Product parameters
|
Item |
Premium product |
First grade |
|
2-P content % (wt) |
≥99.70 |
≥99.50 |
|
Water content %(wt) |
≤0.10 |
≤0.30 |
|
Refractive index(nD) |
14830-14850 |
14830-14850 |
|
Density 20℃(g/ml) |
1097-1117 |
1097-1117 |
|
γ-butyrolactone content% |
≤0.05 |
≤0.10 |
|
appearance |
Colorless transparent liquid |
Colorless or light yellow transparent liquid |
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