1-Methyl-2-pyrrolidinone Chemical Properties
mp −24 °C(lit.)
bp 202 °C(lit.)
density 1.028 g/mL at 25 °C(lit.)
vapor density 3.4 (vs air)
vapor pressure 0.29 mm Hg ( 20 °C)
refractive index n20/D 1.479
Fp 187 °F
storage temp. 2-8°C
color ≤20(APHA)
Water Solubility >=10 g/100 mL at 20 ºC
Sensitive Hygroscopic
Safety Information
Hazard Codes T,Xi
Risk Statements 45-65-36/38-36/37/38-61
Safety Statements 41-45-53
1-Methyl-2-pyrrolidinone Usage And Synthesis
Chemical Properties colourless or light yellow liquid with an amine odour
Usage high purity grade for ICP-MS detection
General Description A clear colorless liquid with a ''fishlike'' odor. Denser than water. Flash point 199°F. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion.
Air & Water Reactions Soluble in water.
N-Methyl-2-Pyrrolidone is an organic compound consisting of a 5-membered lactam. It is a colorless liquid, although impure samples can appear yellow. It is miscible with water and with most common organic solvents. It also belongs to the class of dipolar aprotic solvents such as dimethylformamide and dimethyl sulfoxide.
Item Result of test Specifications Test Standard
Purity 99.91 ≥99.80 % Q/1423MCX002-2012
Water 0.0085 ≤0.02 % GB/T6283
Color 8 ≤10 APHA GB/T3143
Density 1.033 1.026-1.036 g/ml GB/T4472
Conclusion: Conform with the specification.
9.The application:
N-Methyl-2-Pyrrolidone CAS:872-50-4(Electronic grade),
it is applicable to lithium batteries,
aramid fiber, PPS, ultrafiltra-tio film and other industries.
