N-Methyl-2-pyrrolidoneCAS#872-50-4-
Versatile Solvent: NMP has excellent solvency, making it ideal for use in various industries, including electronics, pharmaceuticals, and agriculture.
High Stability: It offers reliable stability and low toxicity, with a high boiling point and strong resistance to decomposition.
Wide Range of Applications: Used in sectors such as battery production, semiconductor manufacturing, polymerization, and precision equipment cleaning.
Effective Dissolution & Extraction: NMP is a powerful solvent for aromatic compound extraction, polymer dissolution, and agricultural chemical formulations.
Methylpyrrolidone (NMP) is a polar aprotic solvent. It exhibits low toxicity, an elevated boiling point, and remarkable solvency. It possesses the benefits of excellent selectivity and reliable stability. It finds extensive application in aromatic compound extraction, purification of acetylene, olefins, and dienes, dissolution of polyvinylidene fluoride, electrode additives for lithium-ion batteries, synthetic gas desulfurization, lubricant processing, lubricant antifreeze formulations, olefin separation, polymerization solvent for high-performance engineering plastics, agricultural weed control agents, electrical insulation materials, microchip manufacturing, precision equipment in the semiconductor sector, printed circuit board cleansing, PVC emission recovery, cleaning solutions, colorant supplements, dispersion aids, and more.
It additionally serves as a dissolving agent for polymeric substances and a reaction medium for polymerization processes, including engineering plastics and aramid fibers. It further has utility in agricultural chemicals, pharmaceutical products, and cleaning compounds. The primary applications of various grades and specifications of N-methylpyrrolidone are enumerated as follows:
Parameters
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 |
pka | -0.41±0.20(Predicted) |
color | ≤20(APHA) |
PH | 8.5-10.0 (100g/l, H2O, 20℃) |
Odor | Slight amine odor |
PH Range | 7.7 - 8.0 |
explosive limit | 1.3-9.5%(V) |
Water Solubility | >=10 g/100 mL at 20 ºC |
Sensitive | Hygroscopic |
λmax | 283nm(MeOH)(lit.) |
Merck | 14,6117 |
BRN | 106420 |
Dielectric constant | 32.200000000000003 |
Stability: | Stable, but decomposes upon exposure to light. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, bases. |
InChIKey | SECXISVLQFMRJM-UHFFFAOYSA-N |
LogP | -0.46 at 25℃ |
Surface tension | 41.3mN/m at 293.15K |
CAS DataBase Reference | 872-50-4(CAS DataBase Reference) |
NIST Chemistry Reference | 2-Pyrrolidinone, 1-methyl-(872-50-4) |
EPA Substance Registry System | N-Methyl-2-pyrrolidone (872-50-4) |
