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N-METHYL-2-PYRROLIDONE

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N-METHYL-2-PYRROLIDONE
Molecular structure
Chemical Product

N-METHYL-2-PYRROLIDONE

Cat. NoKC.1410056 CategoryOther Molecular FormulaC5H9NO CAS872-50-4 Molecular Weight99.13 g/mol
Pack sizes 500ML2.5LTR
Safety & Hazards (GHS) Danger
Irritant Irritant Health hazard Health hazard

⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).

N Methyl Pyrrolidone is under investigation for the treatment of Multiple Myeloma.

  • Metal Degreasing [Category: Clean]
  • Semiconductor Manufacturing [Category: Industry]
  • Painting (Solvents) [Category: Paint]
  • Working with Glues and Adhesives [Category: Other]
Physical DescriptionN-methyl-2-pyrrolidone appears as a clear colorless liquid with a "fishlike" odor. Denser than water. Flash point 199 °F. Contact may irritate skin, eyes and mucous membranes. May be toxic by inges…
Color/FormClear liquid
OdorMild amine odor
Melting Point-9 °F (NTP, 1992)
Boiling Point396 °F at 760 mmHg (NTP, 1992)
Flash Point204 °F (NTP, 1992)
Density1.03 at 77 °F (USCG, 1999) - Denser than water; will sink
Solubilitygreater than or equal to 100 mg/mL at 68 °F (NTP, 1992)
Vapor Pressure0.34 [mmHg]
Refractive IndexMAX ABSORPTION (METHANOL): 205 NM (LOG E= 3.46); INDEX OF REFRACTION: 1.4684 AT 20 °C/D; SADTLER REFERENCE NUMBER: 6528 (IR, PRISM); 116 (VARIAN, NMR)
Stability/Shelf LifeNMP shows unlimited shelf life in tightly closed containers, slight discoloration does not impair its quality.
IUPAC Name1-methylpyrrolidin-2-one
Molecular FormulaC5H9NO
Molecular Weight99.13 g/mol
CAS872-50-4
SMILESCN1CCCC1=O
InChIKeySECXISVLQFMRJM-UHFFFAOYSA-N
Catalog NoKC.1410056
Pack sizes500ML · 2.5LTR
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

⚠️ For information only; not a substitute for the official SDS.

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