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543899 1-Methyl-2-pyrrolidone


Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
872-50-4212-828-1C₅H₉NO99.13 g/mol


Catalog NumberPackaging Qty/Pack
5438991000 Glass bottle 1 l
5438992500 Glass bottle 2.5 l
Catalogue Number543899
SynonymsNMP, N-Methyl-2-pyrrolidone
Product Information
CAS number872-50-4
EC index number606-021-00-7
EC number212-828-1
Hill FormulaC₅H₉NO
Molar Mass99.13 g/mol
HS Code2933 79 90
Quality LevelMQ100
Biological Information
Physicochemical Information
Boiling point202 °C (1013 hPa)
Density1.03 g/cm3 (25 °C)
Explosion limit1.3 - 9.5 %(V)
Flash point91 °C
Ignition temperature245 °C
Melting Point-24.2 °C
pH value8.5 - 10.0 (100 g/l, H₂O, 20 °C)
Vapor pressure0.32 hPa (20 °C)
Solubility1000 g/l
Materials Information
Toxicological Information
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H360D: May damage the unborn child.
Precautionary Statement(s)P202: Do not handle until all safety precautions have been read and understood.
P261: Avoid breathing mist or vapours.
P264: Wash skin thoroughly after handling.
P302 + P352: IF ON SKIN: Wash with plenty of water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal WordDanger
Storage class6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGKWGK 1 slightly hazardous to water
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDKein Gefahrgut
Declaration (transport by air) IATA-DGRNo Dangerous Good
Declaration (transport by sea) IMDG-CodeNo Dangerous Good
Supplemental Information
Purity (GC)≥ 99.5 %
Water≤ 0.05 %
Transmission (at 300 nm)≥ 50 %
Transmission (at 325 nm)≥ 90 %
Transmission (at 350 nm)≥ 97 %
Transmission (at 400 nm)≥ 99 %
Global Trade Item Number
Catalog Number GTIN
5438991000 04054839190018
5438992500 04054839190049