Specification
| Product Name | N-Methyl-2-pyrrolidone |
|---|---|
| Other Names | NMP |
| CAS No. | 872-50-4 |
| EINECS No. | 212-828-1 |
| MF | C5H9NO |
| Molecular weight | 99.13 |
| Purity | 99.50% |
| Appearance | Colorless and transparent oily liquid |
| Density | 1.028 g/mL at 25 °C |
| Melting point | -24 °C |
| Boiling point | 202°C |
| Flashing point | 187 °F |
Values are typical for the standard grade. Tighter specifications are available — state the target in your inquiry and we confirm against the production batch.
Hazard classification
- H360D May damage the unborn child
- H335 May cause respiratory irritation
- H315 Causes skin irritation
- H319 Causes serious eye irritation
European Chemicals Agency. "N-methyl-2-pyrrolidone; 1-methyl-2-pyrrolidone, Index No. 606-021-00-7." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.
Packaging and shipping
N-Methyl-2-pyrrolidone (NMP, CAS 872-50-4) is a high-purity polar aprotic solvent with excellent chemical stability, high boiling point, and strong solvency. It is a colorless transparent liquid at room temperature with low volatility and mild odor.
With molecular formula C₅H₉NO and molecular weight 99.13, it shows excellent compatibility with water and most organic solvents. Our NMP is mainly supplied as electronic or industrial grade with strict quality control, low moisture and impurity content, and stable performance.
It is widely used in lithium-ion battery processing, chemical synthesis, and polymer production. As a key raw material in the new energy and advanced materials industry, it ensures high efficiency and stable performance in various applications.




Product Description
N-Methyl-2-pyrrolidone (NMP, CAS 872-50-4) is an important high-purity organic solvent widely used in the lithium-ion battery and advanced materials industry.
It has strong solvency, excellent chemical stability, and a high boiling point, making it an essential solvent in battery electrode processing and coating applications.
It appears as a colorless transparent liquid at room temperature with low volatility and mild odor. Our NMP is produced as electronic grade with purity over 99.90%, strict control of moisture, metal ions, and other impurities, ensuring stable and consistent quality for industrial use.
NMP is mainly used in lithium-ion battery manufacturing, especially as a solvent for electrode slurry preparation, usually combined with binders such as PVDF to ensure uniform coating, improve adhesion, and enhance battery performance and cycle life.
It is also applied in chemical synthesis, polymer manufacturing, and industrial cleaning as a highly efficient solvent. In usage, NMP is handled under dry and sealed conditions to avoid moisture absorption and contamination.
It is widely applied in lithium-ion batteries, semiconductors, and engineering plastics industries. With high efficiency and stable performance, NMP has become an indispensable basic material in modern energy and chemical industries.


Delivery&Payment method

Frequently asked
In what packaging is N-Methyl-2-pyrrolidone shipped?
Standard formats are Drum (200 kg), IBC Drum (1000 kg), ISO tank (20ft) (24–26 m³), ISO tank (40ft) (48–50 m³). Other packaging can be arranged for full-container orders.
Is a safety data sheet available for N-Methyl-2-pyrrolidone?
Yes, on request. Safety data sheets are issued per grade and destination market; state the country of import in your inquiry.
What purity do you supply?
The standard grade is 99.50%. Tighter specifications are confirmed against the production batch before shipment.





