N-Methyl-2-pyrrolidone (NMP) Cas 872-50-4


NMP is a 5-member-ring compound containing nitrogen.  It is highly polar and miscible with most organic solvents (alcohols, ethers, ketones, aromatic hydrocarbons, chlorinated hydrocarbons, etc.).

It has a high flash point compared to similar solvents.The boiling point is high, the freezing point is low, and handling is easy.

N-Methyl-2-pyrrolidone (NMP) Product Information:

Product NameN-Methyl-2-pyrrolidone (NMP)
SynonymsMethylpyrrolidone;N-Methyl-g-butyrolactone;N-methyl-α-pyrrolidone;N-methyl-2-pyridone-5-carboxamide;1-methyl-2-oxo-pyrrolidine;1-Methyl-2-pyrrolidone;MFCD00003193;N-methyl-pyrrolidin-2-one;N-methyl-pyrrolidinone;METHYLPYRROLIDINONE;N-Methyl-a-pyrrolidinone;N-Methyl-α-pyrrolidinone;1-Methylpyrrolidin-2-on;1,6-Dihydro-N-methyl-6-oxonicotinamide;EINECS 212-828-1;Methyl pyrrolidone;2-Pyrrolidone, 1-methyl;NMP;N-methyl pyrrolidinone;N-Methyl-2-pyrrolidone;N-methylpyrrolidinone;2-Pyrrolidinone, 1-methyl-;1-Methyl-2-pyrrolidinone;Pyrrolidinone, methyl-;N-methyl-2-pyrrolidinone;n-methyl-6-oxo-1,6-dihydropyridine-3-carboxamide;1-methylpyrrolidin-2-one;Methylpyrrolidone, N-;N-Methyl-Pyrrolidone
CAS NO872-50-4
Molecular Weight99.13
Molecular FormulaC5H9NO
Boiling Point202 °C (lit.) 81-82 °C/10 mmHg (lit.)
Melting Point:-24 °C (lit.)
Density1.028 g/mL at 25 °C (lit.)
Storage:Store under dry inert gas, keep container tightly closed, and store in a cool, dry place.
Solubility:>=10 g/100 mL at 20 ºC
AppearanceColorless or pale yellow liquid
Applications:1. 1-Methyl-2-pyrrolidinone (NMP) is a polar aprotic solvent that has the advantages of low toxicity, high boiling point, outstanding solvency, strong selectivity and good stability. It is widely used in the purification of aromatic hydrocarbon extraction, acetylene, olefins, and diolefins.
2. It is used in industrial cleaning, and it serves as a solvent for production of pesticides, engineering plastics, coatings, synthetic fibers, and integrated circuits.
3. It can also be used as an industrial cleaner, dispersant, dye, lubricant and antifreeze.
4. 1-Methyl-2-pyrrolidinone is an excellent solvent, widely used in aromatics extraction, lubricating oil refining, acetylene enrichment, butadiene separation and synthesis gas desulfurization.
5. It is used in gas desulfurization, lubricating oil refining, lubricating oil antifreeze, olefin extraction, and as a solvent for insoluble engineering plastics polymerization.
6. It can be used in herbicide, to clean insulation materials, semiconductor industry precision instruments and circuit boards, to recycle PVC exhaust, as a detergent, dye supplement and dispersing agent.
7. It is used in mediums for polymerization reactions such as engineering plastics and aramid fiber.
8. 1-Methyl-2-pyrrolidinone is used as a polyvinylidene fluoride solvent and electrode auxiliary material for lithium ion batteries.
9. high purity grade for ICP-MS detection.
10. For peptide synthesis.


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