N-Methyl-2-pyrrolidone
N-Methyl-2-pyrrolidone is an organic compound with the molecular formula C5H9NO.
- Formula
- C5H9NO
- Molar mass
- 99.13 g/mol
- Also known as
- 1-methylpyrrolidin-2-one, 1-METHYL-2-PYRROLIDINONE, N-Methylpyrrolidone, N-Methyl-2-pyrrolidinone, Methylpyrrolidone, 1-Methyl-2-pyrrolidone, 1-Methylpyrrolidone
Overview
N-Methyl-2-pyrrolidone is an organic compound with the molecular formula C5H9NO.
Identifiers
- Formula
- C5H9NO
- Molar mass
- 99.13 g/mol
- Also known as
- 1-methylpyrrolidin-2-one, 1-METHYL-2-PYRROLIDINONE, N-Methylpyrrolidone, N-Methyl-2-pyrrolidinone, Methylpyrrolidone, 1-Methyl-2-pyrrolidone, 1-Methylpyrrolidone
Chemical identifiers
- SMILES
- CN1CCCC1=O
- InChI
- InChI=1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
- PubChem CID
- 13387
Properties
- Melting Point
- -25 °C
- Boiling Point
- 202 °C at 760 mm Hg
- Relative density (water = 1)
- Relative density (water = 1): 1.03
- Water solubility
- Miscible with water
References
- PubChem Compound Summary: N-Methyl-2-pyrrolidone (CID 13387)National Center for Biotechnology Information · PubChem
Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.
- Hazardous Substances Data Bank (HSDB): N-Methyl-2-pyrrolidone — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/13387#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Ashford, R.D. Ashford's Dictionary of Industrial Chemicals. London, England: Wavelength Publications Ltd., 1994., p. 595
- Hazardous Substances Data Bank (HSDB): N-Methyl-2-pyrrolidone — boiling pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/13387#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 1054
- ILO-WHO International Chemical Safety Cards (ICSCs): N-Methyl-2-pyrrolidone — densityILO-WHO International Chemical Safety Cards (ICSCs)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/13387#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.
- ILO-WHO International Chemical Safety Cards (ICSCs): N-Methyl-2-pyrrolidone — solubilityILO-WHO International Chemical Safety Cards (ICSCs)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/13387#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.