N-methylpyrrolidone (NMP)

Name: N-Methyl pyrrolidone

Alias: NMP; 1-methyl-2 pyrrolidone; N-methyl-2-pyrrolidone

CAS No: 872-50-4

Molecular formula: C5H9NO

product description:

A colorless, transparent, oily liquid with a slight amine odor. It is miscible with water, alcohols, ethers, esters, ketones, halogenated hydrocarbons, aromatic hydrocarbons and castor oil. Low volatility, good thermal stability and chemical stability, and can volatilize with water vapor. It is hygroscopic. Sensitive to light.

The median lethal dose (rat, oral) was 3914 mg/kg.

Density: 1.028

Melting point: -24 °C

Boiling point: 202 ° C (normal pressure)

Flash point: 86 °C

Refractive index n20/D: 1.47 [1]

Properties: NMP is a slightly ammonia odor liquid, miscible with water in any proportion, almost completely mixed with all solvents, boiling point 202-204 ° C, flash point 95 ° C.

Uses: NMP is a polar aprotic solvent. It has low toxicity, high boiling point and outstanding solubility. Excellent selectivity and stability. Widely used in the extraction of aromatic hydrocarbons, acetylene, olefins, diolefins, as well as solvents and polymerization media for polymers, such as engineering plastics and aramid fibers. It can also be used in pesticides, medicines and detergents.

Packing: galvanized iron drum, net weight 200 kg / barrel

Storage and transportation conditions: Store in a cool, ventilated warehouse, away from fire, heat, and separate from oxidant. Lightly load and unload during handling to keep the package intact and prevent leakage.