N-Methyl-2-pyrrolidone (NMP 99.9%min, CAS 872-50-4) is a high-boiling polar aprotic solvent, miscible with water and most organic solvents, widely used in lithium battery, electronics and polymer industries. TNJ Chemical is the leading manufacturer and exporter since 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To inquire more, please contact sales@tnjchem.com
Product Information
English Name: N-Methyl-2-pyrrolidone
Abbreviation: NMP
CAS No.: 872-50-4EINECS: 212-828-1
Molecular Formula: C₅H₉NO
Molecular Weight: 99.13
Chemphysical Properties
Appearance: Colorless clear liquid, slight amine odor, hygroscopic
Density: 1.028–1.034 g/cm³ (25℃)
Melting point: -24 ℃
Boiling point: 202–204 ℃
Flash point: 91 ℃ (closed cup)
Refractive index: 1.468–1.470
Solubility: Fully miscible with water, alcohols, ethers, ketones, aromatics and halogenated hydrocarbons
| Item | Standard |
|---|---|
| Purity | 99.5% min |
| Water | 0.05% max |
| Color (APHA) | 10 max |
| Acid value (mgKOH/g) | 0.02 max |
| Free amine | 0.001% max |
Use & Application
Lithium-ion battery: Slurry solvent for cathode & anode with PVDF binder
Electronics: Semiconductor cleaning, photoresist stripping, PCB degreasing
Polymer: Solvent for PI, PEEK, PVDF, aromatic polyamide synthesis
Petrochemical: Extraction solvent for BTX, butadiene, acetylene purification
Coatings, inks, pharmaceutical synthesis and peptide production
Packaging & Storage
Packed in 200kg galvanized steel drum.
Keep sealed, away from light, heat and oxidants, store in cool and ventilated warehouse.
Hazardous solvent, follow local regulatory requirements.





MSDS N-methyl-pyrrolidone.pdf
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