M79603

1-Methyl-2-pyrrolidinone

ReagentPlus^®, 99%

• 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/REAXYS Number: 106420
• EC Number: 212-828-1
• MDL number: MFCD00003193
• UNSPSC Code: 12352005
• PubChem Substance ID: 329818046
• NACRES: NA.21

Properties

• vapor density: 3.4 (vs air)
• Quality Level: 100
• vapor pressure: 0.29 mmHg ( 20 °C); 0.99 mmHg ( 40 °C)
• product line: ReagentPlus^®
• assay: 99%
• form: liquid
• autoignition temp.: 518 °F
• expl. lim.: 9.5 %
• impurities: ≤0.1% water (Karl Fischer)
• color: APHA: ≤50
• refractive index: n20/D 1.47 (lit.)
• pH: 7.7-10.0 (20 °C, 100 g/L)
• bp: 202 °C (lit.); 81-82 °C/10 mmHg (lit.)
• mp: −24 °C (lit.)
• density: 1.028 g/mL at 25 °C (lit.)
• SMILES string: CN1CCCC1=O
• InChI: 1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
• InChI key: SECXISVLQFMRJM-UHFFFAOYSA-N

Description

Application

Undergoes condensation reactions with arylthioacetamides and methyl salicylates. Versatile solvent for water miscible applications.

Other Notes

A Greener alternative is available for many NMP applications, Cyrene (807796)

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS07,GHS08
• signalword: Danger
• hcodes: H315 - H319 - H335 - H360D
• pcodes: P202 - P261 - P264 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 1
• flash_point_f: 195.8 °F - Pensky-Martens closed cup
• flash_point_c: 91 °C - Pensky-Martens closed cup