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1-Methyl-2-pyrrolidinone

analytical standard

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Synonym(s):
1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP
Empirical Formula (Hill Notation):
C5H9NO
CAS Number:
872-50-4
Molecular Weight:
99.13
Beilstein:
106420
EC Number:
212-828-1
MDL number:
MFCD00003193
PubChem Substance ID:
329768179
NACRES:
NA.24

grade

analytical standard

Quality Level

100

vapor density

3.4 (vs air)

vapor pressure

0.29 mmHg ( 20 °C)
0.99 mmHg ( 40 °C)

Assay

≥99.9% (GC)

autoignition temp.

518 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

9.5 %

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

refractive index

n20/D 1.47 (lit.)
n20/D 1.470

bp

202 °C (lit.)
81-82 °C/10 mmHg (lit.)

mp

−24 °C (lit.)

density

1.028 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
environmental
food and beverages
personal care

format

neat

SMILES string

CN1CCCC1=O

InChI

1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3

InChI key

SECXISVLQFMRJM-UHFFFAOYSA-N

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General description

1-Methyl-2-pyrrolidinone is a polar solvent widely used in organic chemistry and polymer chemistry. On a large scale, it finds applications in the recovery and purification of acetylenes, olefins, and diolefins, gas purification, and aromatics extraction from feedstocks.
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here

Application

1-Methyl-2-pyrrolidinone may be used as an eluent and extraction solvent for the extraction of soluble materials in soil samples using size exclusion chromatography.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Pictograms

Exclamation markHealth hazard
GHS07,GHS08

Signal Word

Danger

Hazard Classifications

Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

195.8 °F - Pensky-Martens closed cup

Flash Point(C)

91 °C - Pensky-Martens closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Journal of medicinal chemistry, 54(19), 6761-6770 (2011-08-20)
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B A Jönsson et al.
Journal of chromatography. B, Biomedical sciences and applications, 694(2), 351-357 (1997-07-04)
A method for simultaneous determination of 5-hydroxy-N-methylpyrrolidone and 2-hydroxy-N-methylsuccinimide in urine is described. These compounds are metabolites of N-methyl-2-pyrrolidone, a powerful and widely used organic solvent. 5-Hydroxy-N-methylpyrrolidone and 2-hydroxy-N-methylsuccinimide were purified from urine by adsorption to a C8 solid-phase extraction
Laura Vogelaar et al.
Small (Weinheim an der Bergstrasse, Germany), 1(6), 645-655 (2006-12-29)
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K J Brodbeck et al.
Journal of controlled release : official journal of the Controlled Release Society, 62(3), 333-344 (1999-10-21)
The role of solvent properties and bath-side composition on the phase inversion dynamics and in vitro protein release kinetics of polylactic-co-glycolic acid (PLGA) solutions has been examined using dark ground imaging, in vitro release rate, and SEM techniques. Thermodynamic phase
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