Hot Sales N-Methylpyrrolidinone / N-Methyl-2-Pyrrolidone

English Name: N-Methyl-2-pyrrolidone

CAS: 872-50-4

Overview: N-Methyl-2-pyrrolidone,molecular formula: C5H9NO, English name: 1-Methyl-2-pyrrolidinone, colorless to light yellow transparent liquid, slightly ammonia odor, miscible with water in any proportion, soluble in ethyl ether, acetone, esters, halogenated hydrocarbons, aromatics and other organic solvents, almost completely mixed with all solvents. Strong hygroscopicity, stable chemical properties, no corrosion to carbon steel, aluminum, slightly corrosive to copper. It has the advantages of low viscosity, good chemical stability and thermal stability, high polarity, low volatility, and infinite miscibility with water and many organic solvents.

product details

Product Tags

chemical property

Colorless transparent oily liquid with a slight amine odor. It can be miscible with water, alcohol, ether, ester, ketone, halogenated hydrocarbon and aromatic hydrocarbon.

Application

N-methylpyrrolidinone(NMP)is widely used in advanced lubricating oil refining, polymer synthesis, insulation materials, pesticides, pigments and cleaning agents.

Nature

CAS	872-50-4
MF	C5H9NO
Appearance	Colorless transparent liquid
purty	99.5%
PH	8.5-10.0 (100g/l, H2O, 20℃)
MW	99.13
EINECS	212-828-1
Melting Point	-24 °C (lit.)
Boiling Point	202 °C (lit.) 81-82 °C/10 mmHg (lit.)
Flash Point	187 °F
Density	1.028 g/mL at 25 °C (lit.)
Vapour Pressure	0.29 mm Hg ( 20 °C)
acidity coefficient	-0.41±0.20(Predicted)
Soluble	>=10 g/100 mL at 20 ºC