1-Methyl-2-pyrrolidinone CAS 872-50-4

CAS NO: 872-50-4
Molecular Formula: C5H9NO
Molecular Weight: 99.131
EINECS NO: 212-828-1
MDL NO: MFCD00003193
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Product Details


Product Description:

Product Name: 1-Methyl-2-pyrrolidinone CAS NO:872-50-4






Chemical & Physical Properties:

Appearance: colorless or light yellow liquid with an amine odour.

Assay :≥99.5%


Boiling Point:202℃ at 760 mmHg

Flash Point:91℃

Melting point:-24℃.

Refractive Index:n20/D 1.479

Water Solubility:≥10g/100 mL at 20℃

Stability: Stable, but decomposes upon exposure to light. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, bases.


N-Methyl-2-pyrrolidone (NMP) is a polar aprotic solvent. It has low toxicity, high boiling point and outstanding solubility. The advantages of strong selectivity and good stability. It is widely used in the extraction of aromatic hydrocarbons, the purification of acetylene, olefins and diolefins, the solvent of polyvinylidene fluoride, the electrode auxiliary materials of lithium ion batteries, the desulfurization of syngas, the refining of lubricating oil, the antifreeze of lubricating oil, the olefin extractant, the Solvents when polymerizing engineering plastics, agricultural herbicides, insulating materials, integrated circuit production, semiconductor industry precision instruments, circuit board cleaning, PVC exhaust recovery, cleaning agents, dye additives, dispersants, etc. It is also used in polymer solvents and polymerization media, such as engineering plastics and aramid fibers. It can also be used in pesticides, medicines and detergents.



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