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M79603 Sigma-Aldrich

1-Methyl-2-pyrrolidinone

ReagentPlus®, 99%

Synonym: 1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP

  • CAS Number 872-50-4

  • Empirical Formula (Hill Notation) C5H9NO

  • Molecular Weight 99.13

  •  Beilstein/REAXYS Number 106420

  •  EC Number 212-828-1

  •  MDL number MFCD00003193

  •  PubChem Substance ID 329818046

  •  NACRES NA.21

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Properties

Related Categories ReagentPlus, ReagentPlus Solvent Grade Products, ACS and Reagent Grade Solvents, Amber Glass Bottles, Carbon Steel Cans with NPT Threads,
Quality Level   100
grade   ReagentPlus®
vapor density   3.4 (vs air)
vapor pressure   0.29 mmHg ( 20 °C)
  0.99 mmHg ( 40 °C)
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

Packaging

1, 6×1, 2.5, 4, 4×4 L in glass bottle

18 L in steel drum

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 Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Target organs 
Respiratory system
WGK Germany 
WGK 1
RTECS 
UY5790000

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Peer-Reviewed Papers
15

References

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