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1-Methyl-2-Pyrrolidinone CAS 872-50-4

Molecular Formula: C5H9NO

Formula Weight: 99.13

ZSpharmac: 1-Methyl-2-Pyrrolidinone Supplier

Product Name: 1-Methyl-2-Pyrrolidinone
CAS No: 872-50-4
Purity: 99%

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Basic Info

Product Name:1-Methyl-2-Pyrrolidinone
Other Names:N-methyl Pyrrolidone
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Colorless Liquid
EINECS No.:212-828-1
Storage:Store at +5°C to +30°C.
Provide:1-Methyl-2-Pyrrolidinone MSDS;
1-Methyl-2-Pyrrolidinone COA

What is 1-Methyl-2-Pyrrolidinone?

1-Methyl-2-Pyrrolidinone (1-methyl-2-pyrrolidone, referred to as NMP or N-methylpyrrolidone) is an important organic solvent and chemical intermediate with the chemical formula C6H11NO. It belongs to the category of heterocyclic compounds, specifically a five-membered ring structure containing nitrogen atoms, with a methyl (CH3) and a carbonyl (C=O) functional group outside the ring.

1-Methyl-2-Pyrrolidinone Property

Melting point -24 °C (lit.)
Boiling point 202 °C (lit.) 81-82 °C/10 mmHg (lit.)
density 1.028 g/mL at 25 °C (lit.)
vapor density 3.4 (vs air)
vapor pressure 0.29 mm Hg ( 20 °C)
refractive index n20/D 1.479
Fp 187 °F
storage temp. Store at +5°C to +30°C.
solubility ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v)
form Liquid
color ≤20(APHA)
OdorSlight amine odor
PH8.5-10.0 (100g/l, H2O, 20℃)
PH Range7.7 – 8.0
explosive limit1.3-9.5%(V)
Water Solubility >=10 g/100 mL at 20 ºC


1-Methyl-2-Pyrrolidinone Uses

Chemical and Polymer Industry:
Polymer dissolution and processing: Due to its excellent solubility properties, NMP is widely used to dissolve polyurethane, polyester, acrylate, polyimide and other polymer materials to promote their processing and forming, such as spinning, coating, Thin film manufacturing, etc.
Resins and coatings: As a high-performance solvent, NMP can improve the fluidity and surface gloss of products in resin systems, and is suitable for formulations of high-end coatings, inks, and adhesives.

Electronics and semiconductor manufacturing:
Cleaner and etching solution: NMP is used for cleaning precision electronic components to remove impurities without damaging sensitive materials. In semiconductor chip manufacturing, it can also be used as a component of etching solutions to help form fine patterns.
Lithium-ion battery manufacturing: As a solvent for positive or negative electrode slurries, NMP helps to uniformly disperse active materials and improve battery performance and stability.

Pharmaceuticals and fine chemicals:
Drug synthesis: NMP serves as a reaction medium in drug synthesis and participates in various chemical reactions, including condensation, rearrangement, halogenation, etc., helping to improve yield and purity.
Extraction and purification: Its good polarity and selectivity make it an ideal solvent for extracting natural products, separating and purifying organic compounds.

Textile and fiber processing:
Spinning solvent: In the production of synthetic fibers such as nylon and polyester, NMP is used as a solvent for the spinning solution to ensure the uniformity and strength of the fiber structure.

Environmental protection and waste disposal:
Pollutant extraction: Utilizing its strong ability to dissolve organic pollutants, NMP is used as an extraction agent in soil and groundwater pollution remediation to help remove harmful substances.

Other apps:
Pesticide formulation: used as a carrier or co-solvent to improve the effective transmission and adhesion performance of pesticides.
Lubricating oil additives: In some advanced lubricating oil formulations, NMP can be used as an additive to improve low-temperature fluidity or increase lubrication effect.

1-Methyl-2-Pyrrolidinone Features and Benefits


Ogilvie SP, Large MJ, Fratta G, Meloni M, Canton-Vitoria R, Tagmatarchis N, Massuyeau F, Ewels CP, King AAK, Dalton AB. Considerations for spectroscopy of liquid-exfoliated 2D materials: emerging photoluminescence of N-methyl-2-pyrrolidone. Sci Rep. 2017 Dec 1;7(1):16706. doi: 10.1038/s41598-017-17123-5. PMID: 29196735; PMCID: PMC5711948.

As a company specializing in the production and supply of 1-Methyl-2-Pyrrolidinone raw materials, we are committed to providing customers with high-quality products and preferential prices. We have rich experience and technology to ensure product quality and stable supply. No matter where you are, we can provide you with the 1-Methyl-2-Pyrrolidinone raw materials you need to support your production and research and development.

We always adhere to the principle of honest operation, strictly control product quality, and serve every customer with a customer-first attitude. Over the years, we have established good cooperative relationships with customers at home and abroad and won their trust and praise.

If you have needs or are interested in our products, please contact our service staff directly, we will wholeheartedly provide you with the best quality services and products. Looking forward to cooperating with you and developing together

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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