Chemical Reagents
1-Methyl-2-pyrrolidone?COA Report
  • CAS No.:872-50-4
  • Molecular weight:99.13
  • Molecular formula:C5H9NO
  • EC No.:212-828-1
  • HS-No:29337900
Specification category:
Product No. Product name specifications
1.17943.010 1-Methyl-2-pyrrolidone AR500mL
1.17943.020 1-Methyl-2-pyrrolidone AR200kg
1.17943.060 1-Methyl-2-pyrrolidone AR2.5L/Bottle
1.17943.090 1-Methyl-2-pyrrolidone AR20L
1.17943.100 1-Methyl-2-pyrrolidone AR20kg
Characteristic: Appearance and properties:colorless to pale yellow liquid with amine odor.
pH value: 8.5-10.0(100g/L,20 ℃)
Dynamic viscosity:1.80 mPa*s (20℃),0.97 mPa·s (100℃)
Melting point(℃):-24
Boiling point(℃):202
Flash point(℃):91(Closed Cup),95(Open Cup)
Explosion limits:upper limit:9.5,lower limit:1.3
Relative vapor density(air=1):3.42
Ignition point(℃):245
Saturated vapor pressure(hPa):1.33(40℃) ,0.32(20℃)
Octanol/water partition coefficient values:-0.46 (25℃)
Solubility:soluble in water
Bioconcentration factor:0.16
Technical indicators:
Item AR CP
Assay ≥98.5% ≥98.0%
Density(20℃),g/mL 1.030~1.035 1.029~1.035
Refractive index(n 20/D) 1.468~1.472 1.468~1.472
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