N-Methyl-2-pyrrolidone

C5H9NOCAS 872-50-499.13 g/mol

Open in Covalent MOL file
NO
AmideLactam

Properties

Molecular formula
C5H9NO
Molar mass
99.13 g/mol
Exact mass
99.0684 Da
Density
1.027 g/mL (at 25 °C)
Melting point
−25 °C
Boiling point
202 °C
Flash point
86 °C (closed cup)
Water solubility
miscible
logP
0.24Crippen estimate
Polar surface area
20.3 Ų
H-bond donors / acceptors
0 / 1
Rotatable bonds
0

Hazards

Danger
Irritant (GHS07)Health Hazard (GHS08)

Harmonised EU classification (CLP Annex VI, index 606-021-00-7), via PubChem.

Precautionary statements

P203, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P318, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
872-50-4
SMILES
CN1CCCC1=O
InChIKey
SECXISVLQFMRJM-UHFFFAOYSA-N
InChI
InChI=1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

27 names · show all
  • 2-Pyrrolidinone, 1-methyl-
  • 2-Pyrrolidone, 1-methyl-
  • 1-Methyl-2-pyrrolidinone
  • N-Methylpyrrolidinone
  • 1-Methyl-5-pyrrolidinone
  • NMP
  • N-Methyl-α-pyrrolidinone
  • N-Methyl-α-pyrrolidone
  • N-Methyl-γ-butyrolactam
  • N-Methyl-2-pyrrolidinone
  • N-Methylpyrrolidone
  • M-Pyrol
  • 1-Methylazacyclopentan-2-one
  • 1-Methyl-2-pyrrolidone
  • Pyrol M
  • AgsolEx 1
  • N 0131
  • Microposit 2001
  • N-Methyl-2-ketopyrrolidine
  • N-Methylbutyrolactam
  • Pharmasolve
  • SL 1332
  • NSC 4594
  • N-Methylpyrrolidine-2-one
  • M 0418
  • EKOS 1
  • NMP 1165

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 872-50-4. Each row opens the sheet with its composition and PDF.

Open in the SDS library

Work with N-Methyl-2-pyrrolidone

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

N-Methylcaprolactam2556-73-286 % similar DMPU7226-23-552 % similar N-Ethyl-2-pyrrolidone2687-91-450 % similar Sarcosine anhydride5076-82-450 % similar 1-Acetyl-2-pyrrolidone932-17-250 % similar 1-(Trimethylsilyl)-2-pyrrolidinone14468-90-748 % similar N-Butyl-2-pyrrolidone3470-98-248 % similar 1-Methylpiperazin-2-one59702-07-748 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Same formula

2-Ethyl-2-oxazoline10431-98-8 Butyl isocyanate111-36-4 4-Amino-3-penten-2-one1118-66-7 Cyclopentanone oxime1192-28-5 Cyclobutanecarboxamide1503-98-6 tert-Butyl isocyanate1609-86-5 2-Oxa-6-azaspiro[3.3]heptane174-78-7 3-Ethoxypropanenitrile2141-62-0

Elsewhere

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