N-Methylpyrrolidone

Chinese Name: N-Methylpyrrolidone

Chinese Aliases: NMP; N-Methyl-2-pyrrolidinone; 1-Methyl-2-pyrrolidinone; Methylpyrrolidone

English Name: 1-Methyl-2-pyrrolidinone

CAS Number: 872-50-4;2687-44-7

EINECS Number: 212-828-1

Molecular Formula: C5H9NO

Molecular Weight: 99.13

Molecular Structure: N-Methylpyrrolidone 872-50-4;2687-44-7

Density: 1.033

Melting Point: -24℃

Boiling Point: 202℃

Flash Point: 91℃

Water Solubility: ≥10 g/100 mL at 20℃

Physicochemical Properties:

Appearance Colorless transparent oily liquid, with a slight amine odor.

Melting Point -24.4℃

Boiling Point 203℃

Relative Density 1.0260

Refractive Index 1.486

Flash Point 95℃

Solubility Miscible with water, alcohols, ethers, esters, ketones, halogenated hydrocarbons, and aromatic hydrocarbons.

Product Usage: Widely used in high-grade lubricant refining, polymer synthesis, insulating materials, pesticides, pigments, cleaning agents, etc.