1-Methyl-2-pyrrolidinone, CAS No. 872-50-4

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872-50-4

Catalog No. EBD26957

CAS 872-50-4

Name 1-Methyl-2-pyrrolidinone

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Basic Information

Synonyms: 1-Methyl-2-pyrrolidinone,anhydrous NMP N-Methylpyrrolidone N-Methyl-2-pyrrolidone N-Methyl-2-pyrrolidinone N-Methyl-pyrrolidone NMP-EL NMP-T N-METHYLPYRROLIDNONE N-METHYLPYRROLIDINONE N-METHYLPYRROLID-2-ONE N-METHYLPYROLIDONE M-PYROL(R) 1-Methyl-2-pyrrolidone 1-Methyl-2-pyrrolidinone methylpyrrolidone

Molecular Formula: C5H9NO

Molecular Weight: 9913.0

MDL Number: MFCD00003193

Categories: Synthetic Chemistry > Analytical Chemistry Reagents > Chromatography Reagents and Solvents

Product Description:

1-Methyl-2-pyrrolidinone (NMP, CAS 872-50-4) is a polar aprotic solvent with a five-membered lactam structure. It is a colorless to slightly yellow liquid, miscible with water and most organic solvents. Its primary industrial application is as a solvent in the manufacturing of lithium-ion battery electrodes, where it is used to dissolve polyvinylidene fluoride (PVDF) binders for cathode slurry preparation. Additionally, NMP serves as a high-boiling-point solvent in the chemical industry for the extraction of acetylene, butadiene, and as a paint stripper or cleaning agent in electronics manufacturing. NMP is also utilized as a reaction medium in pharmaceutical synthesis and as a solvent for engineering plastics like polyethersulfone (PES). Due to its reproductive toxicity, handling requires strict safety controls and ventilation.

Physical Properties

Color: APHA: ≤10

Melting Point: −24 °C(lit.)

Boiling Point: 202 °C(lit.)

Flash Point: 91 °C

Density: 3.4 (vs air)

Solubility: Water solubility: >=10 g/100 mL at 20 °C

Refractivity: n20/D 1.47(lit.)

Storage: 2-8°C

Analytical Data

Appearance: colourless or light yellow liquid with an amine odour