Skip to content
GC Solvents

N-Methyl-2-Pyrrolidone GC

RA003195 CAS 872-50-4 GC

Identity

Product code
RA003195
CAS number
872-50-4
Grade
GC
Purity
99.8%
Molecular formula
C5H9NO
Molecular weight
99.13

Classification

Applications
GC

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Density [g/cm3] 1.028 g/cm3 g/cm3
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 % %
Colour Colorless to pale yellow —
Odour Slight amine odor —
pH value 7.7 - 8.0 —
Melting point/ Freezing point [°C] -24 °C °C
Flash point [°C] 91 °C °C
Boiling point [°C] 202 °C °C
Vapour pressure [20°C] 0.39 - 0.43 hPa hPa
Vapour density 3.42 —

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance Almost colourless to pale yellow colored liquid — —
Purity Min 99.8 % % GC
Water Max 0.05 % % —
Specific gravity (20 °C) 1.031 - 1.033 — —
Refractive index (20°C; 589 nm) (20 °C) Approx. 1.470 — —
Boiling range (at 760 mm Hg) 202 - 203 °C °C —
Boiling range (at 10 mm Hg) 78 - 79 °C °C —

7 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
250 mL RA003195-PK-250ML
1 L RA003195-PK-1L