Chemicals

N-methylpyrrolidin-2-one

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Synonyms：

N-methyl-pyrrolidinone

N-methyl-2-pyridone-5-carboxamide

1-methylpyrrolidin-2-one

N-methyl-pyrrolidin-2-one

1-Methyl-2-pyrrolidinone

1-methyl-2-oxo-pyrrolidine

2-Pyrrolidinone, 1-methyl-

1,6-Dihydro-N-methyl-6-oxonicotinamide

n-methyl-6-oxo-1,6-dihydropyridine-3-carboxamide;

n-methyl-2-pyrrolidinone

Molecular Formula: C5H9NO

Molecular Weight: 99.13110

Appearance and properties: colorless or light yellow liquid with an amine odor

Density: 1.028 g/mL at 25 °C(lit.)

Boiling point: 202 °C(lit.)

Melting point: −24 °C(lit.)

Flash point: 187 °F

Refractive index: n20/D 1.479

Water solubility: >=10 g/100 mL at 20 ºC

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

Storage conditions: complete packaging, lightly packed, ventilated warehouse, away from open flames, high temperatures, and stored separately from oxidants

use:

This product is an excellent high-grade solvent, a polar solvent with strong selectivity and good stability, high-precision electronics, circuit boards, lithium batteries, etc., cleaning agents: degreasing, degreasing, dewaxing, polishing, rust prevention, paint removal, etc. Coatings, inks, and pigments have the advantages of low toxicity, high boiling point, strong solubility, non-flammable, biodegradable, recyclable, safe to use, and suitable for a variety of formulation purposes.

Items of Analysis	Standard of Analysis	Test Results
Appearance	Colorless transparent liquid	Conforms
Purity（GC）	≥99.80%	99.86%
Water（K.F.）	≤0.020%	0.012％
Color（Hazen）	≤20	8
Density（D₄²⁰g/ml）	1.032～1.035	1.0325
Refractivity（N_D²⁰）	1.466～1.472	1.4680
Conclusion	Conforms to Factory Standard

N-methylpyrrolidin-2-one

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