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Lab Chemicals
Gas Chromatoghaphy Solvents (GC Solvents)
N-METHYL-2-PYRROLIDONE
N-METHYL-2-PYRROLIDONE GC
1-Methyl-2-pyrrolidone; NMP
Article No.
4674A
Grade
GC
Purity
99.8%
CAS No.
872-50-4
Molecular Formula
C
5
H
9
NO
Molecular Weight
99.13
H.S. Code
2933.9990
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Liquid
Colour
Colorless to pale yellow
Odour
Slight amine odor
pH value
7.7 - 8.0
Melting point/ Freezing point [°C]
-24 °C
Flash point [°C]
91 °C
Boiling point [°C]
202 °C
Vapour pressure [20°C]
0.39 - 0.43 hPa at 20 °C
Vapour density
3.42
Density [g/cm3]
1.028
Solubility in water [% weight]
Miscible with water
Partition coefficient Log Pow octanol / water at 20°C
-0.46
Explosion limits - upper [%]
9.50%
Explosion limits -lower [%]
1.30%
Packings
250 ml
(00250)
1000 ml
(01000)
2500 ml
(02500)
2500 ml
(02500)
Specifications
Appearance
Almost colourless to pale yellow colored liquid
Purity (by GC)
Min 99.8%
Water (H2O)
Max 0.05%
Specific gravity (at 20°C)
1.031 - 1.033
Refractive index (20°C; 589 nm)
Approx 1.470
Boiling range (at 760 mm Hg)
202 - 203 deg C
Boiling range (at 10 mm Hg)
78 - 79 deg C
Safety Information and Hazard Symbols
Symbol: GHS07, GHS08
Signal Word: Danger
Hazardous Statement: H315-H319-H335-H360D
Precaution Statement: P201-P261-P305 + P351 + P338-P308 + P313
Revision Date :
23-May-2022