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Best price 99% N-Methyl-2-pyrrolidone CAS 872-50-4 with stock

N-methylpyrrolidone, abbreviated as NMP, with the molecular formula C5H9NO and the English name 1-Methyll-2-pyrrolidone, appears as a colorless to pale yellow transparent liquid with a slight ammonia odor. It is miscible with water in any ratio and can be dissolved in various organic solvents such as ether, acetone, esters, halogenated hydrocarbons, and aromatic hydrocarbons. It is almost completely mixed with all solvents, with a boiling point of 204 ℃ and a flash point of 91 ℃. It has strong hygroscopicity, stable chemical properties, and is non corrosive to carbon steel and aluminum, but slightly corrosive to copper. It has the advantages of low viscosity, good chemical and thermal stability, high polarity, low volatility, and infinite miscibility with water and many organic solvents. This product belongs to micro drugs, and the maximum allowable concentration in the air is 100PPM.
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  • 872-50-4

  • bosschem

  • 872-50-4

N-Methyl-2-pyrrolidone

CAS NO 872-50-4

Alias:NMP

Molecular formula:C5H9NO

Molecular weight:99.13

Structural formula:

N-甲基吡咯烷酮 结构式

1.Performance and use

NMP is a colorless and transparent oily liquid with a slight amine odor. Can be miscible with water, alcohols, ethers, esters, ketones, halogenated hydrocarbons, and aromatic hydrocarbons.

N-methylpyrrolidone is an excellent extraction solvent widely used as an extractant in processes such as aromatic hydrocarbon extraction, acetylene concentration, butadiene separation, and desulfurization of synthesis gas. It is

also a solvent in the production of pesticides, engineering plastics, coatings, synthetic fibers, integrated circuits, and can be used as an industrial detergent, dispersant, dye, lubricant antifreeze, etc

2.Technical indicators

Product name NMP/1-Methyl-2-pyrrolidinone
Appearance colorless liquid
Melting point -24 °C(lit.)
Boiling Point 202 °C(lit.)
Density 1.028 g/mL at 25 °C(lit.)
Refractive index 81 ° (C=2, MeOH)


3. Packaging and storage  

Packaging specification: 200kg/drum.

During transportation, it is necessary to protect against sunlight, rain, and high temperatures.

The product should be stored in a cool, dark, ventilated place, away from sources of fire.

4. Safety protection

Pay attention to labor protection when handling it and avoid contact with skin, eyes, etc.

After contact, rinse immediately with plenty of water.


Related keywords:

NMP

1-Methyl-2-pyrrolidinone

872-50-4

Solvents

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