N-METHYL-2-PYRROLIDONE

N-METHYL-2-PYRROLIDONE GC

1-Methyl-2-pyrrolidone; NMP

Article No.

4674A

Grade

Purity

99.8%

CAS No.

872-50-4

Molecular Formula

C₅H₉NO

Molecular Weight

99.13

H.S. Code

2933.9990

Shelf Life

60 Months

MSDS

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

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