N-METHYL-2-PYRROLIDONE GC

N-METHYL-2-PYRROLIDONE GC

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Category: Gas Chromatoghaphy Solvents (GC Solvents)

Description
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Description

1-Methyl-2-pyrrolidone; NMP

Article No.	4674A	Grade	GC
Purity	99.8%	CAS No.	872-50-4
Molecular Formula	C₅H₉NO	Molecular Weight	99.13
H.S. Code	2933.9990	Shelf Life	60 Months

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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%

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

Packings

250 ml	00250
1000 ml	01000
2500 ml	02500
2500 ml	02500

Safety Information

Symbol: GHS07, GHS08
Signal Word: Danger
Hazardous Statement: H315-H319-H335-H360D
Precaution Statement: P201-P261-P305 + P351 + P338-P308 + P313

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