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78769 Sigma-Aldrich

1-Methyl-2-pyrrolidinone

analytical standard

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 Registry Number 106420

  •  EC Number 212-828-1

  •  MDL number MFCD00003193

  •  PubChem Substance ID 329768179

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Properties

Related Categories Additional Standards, Alpha Sort, Analytical Standards, Analytical/Chromatography, Chemical Class,
grade   analytical standard
vapor density   3.4 (vs air)
vapor pressure   0.29 mmHg ( 20 °C)
  0.99 mmHg ( 40 °C)
InChI Key   SECXISVLQFMRJM-UHFFFAOYSA-N
assay   ≥99.9% (GC)
form   neat
autoignition temp.   518 °F
shelf life   limited shelf life, expiry date on the label
expl. lim.   9.5 %
application(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.)
format   neat

Description

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NA 1993 / PGIII
WGK Germany 
1
RTECS 
UY5790000
Flash Point(F) 
195.8 °F
Flash Point(C) 
91 °C
Protocols & Articles

Articles

The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities

Organic volatile impurities or “OVIs” sometimes remain behind in pharmaceutical preparations as a result of synthetic and manufacturing procedures. For reasons of health and safety, testing is done t...
Katherine Stenerson, Shyam Verma
Reporter US Volume 28.1
Keywords: Chromatography, Gas chromatography, Organic synthesis, Pharmaceutical, Solvents

Peer-Reviewed Papers
15

References

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