1-Methyl-2-pyrrolidinone
CAS: 872-50-4
Category: Heterocyclic Aromatic Compound
| Purity | Industrial Grade ≥99.0%; Electronic Grade ≥99.5%; Pharmaceutical Grade ≥99.0% |
| Molecular Formula | C5H9NO |
| Molecular Weight | 99.13 |
| Appearance | Colorless to slightly yellow transparent liquid with a mild amine-like odor; highly polar aprotic solvent with excellent solvency. |
| Packaging | 200 kg/galvanized steel drum, 200 kg/HDPE drum, 25 kg plastic drum, 1000 kg IBC tank, or customized packaging according to customer requirements |
| Testing Indicators | Appearance — Visual inspection; Purity — Gas chromatography (GC-FID) according to ASTM D8432 or equivalent; Water content — Karl Fischer titration (ASTM E203); Color — APHA color measurement (ASTM D1209); Density — Digital density meter or hydrometer (ASTM D4052); Refractive index — Abbe refractometer (ASTM D1218); Identification — FTIR spectroscopy and NMR; Acidity/alkalinity — Acid-base titration; Residue on evaporation — Gravimetric analysis; Metal impurities — ICP-MS analysis for electronic grade. |
| Storage Notes | Store in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed to prevent moisture absorption and contamination. Avoid contact with strong oxidizing agents, strong acids, and strong bases. Use appropriate protective equipment during handling. |
| Lead Time | 10 days |
1-Methyl-2-pyrrolidinone (NMP) is a high-performance polar aprotic solvent widely used in lithium-ion battery manufacturing as a solvent for PVDF binders, in semiconductor and electronic industries as a photoresist stripper and cleaning solvent, in polymer processing for dissolving engineering plastics, and in pharmaceutical and chemical synthesis as a reaction solvent. It is also used in coatings, adhesives, agrochemical formulations, and specialty chemical production due to its excellent solvency and thermal stability.