N-methylpyrrolidone


N-methyl γ-butyrolactam; N-methylpyrrolidinone; 1-methyl-2-pyrrolidinone; 1-methylpyrrolidin-2-one; N-methyl-2-pyrrolidinone; N-methylpyrrolidon; methylpyrrolidone; N-methylpyrrolidone; 1-methyl-2-pyrrolidone; N-methyl-2-pyrrolidone; NMP
Links:📏 NIST, ⚗️ ChemSynthesis, 📖 PubMed
MeSH:Noxae
CAS RN:[872-50-4]
Formula:C5H9NO; 99.13 g/mol
InChiKey:SECXISVLQFMRJM-UHFFFAOYSA-N
SMILES:O=C1N(C)CCC1
Molecular structure of N-methylpyrrolidone
Density:1.030 g/mL
Molar volume:96.2 mL/mol
Refractive index:1.470
Molecular refractive power:26.84 mL/mol
Dielectric constant:32.20
Dipole moment:4.09 D
Melting point:-24 °C
Boiling point:202 °C
Vapour pressure:0 Torr
Surface tension:40.70 dyn/cm
Viscosity:1.67 cP
Critical temperature:449 °C
Critical pressure:4.8 atm
Evaporation rate (ether):302.5
Evaporation rate (butyl acetate):0.0
Solubility in water:100 % w/w
Solubility of water:100 % w/w
Log10 partition octanol / water:-0.38
Snyder P':6.7
Dimroth ET:42.2
Hildebrant solubility parameter (δ):11.0
Hansen solubility parameter:δd: 8.8 (cal/mL)½   δp: 6.0 (cal/mL)½   δh: 3.5 (cal/mL)½
Specific heat capacity:40.0 cal/molK
Latent heat of fusion:6,207 cal/mol

Isomers

4-amino-3-penten-2-one
Molecular structure of 4-amino-3-penten-2-one
butyl isocyanate
Molecular structure of butyl isocyanate
N-cyclopentylidenehydroxylamine
Molecular structure of N-cyclopentylidenehydroxylamine
(E)-3-dimethylaminoprop-2-enal
Molecular structure of (E)-3-dimethylaminoprop-2-enal
4,4-dimethyl-2-oxazoline
Molecular structure of 4,4-dimethyl-2-oxazoline
N,N-dimethylprop-2-enamide
Molecular structure of N,N-dimethylprop-2-enamide
2-ethoxypropanenitrile
Molecular structure of 2-ethoxypropanenitrile
3-ethoxypropionitrile
Molecular structure of 3-ethoxypropionitrile
2-ethyl-2-oxazoline
Molecular structure of 2-ethyl-2-oxazoline
N-formylpyrrolidine
Molecular structure of N-formylpyrrolidine
(R)-2-hydroxy-3-methylbutanenitrile
Molecular structure of (R)-2-hydroxy-3-methylbutanenitrile
3-hydroxy-3-methylbutyronitrile
Molecular structure of 3-hydroxy-3-methylbutyronitrile
2-isocyanato-2-methylpropane
Molecular structure of 2-isocyanato-2-methylpropane
1-methyl-3-pyrrolidinone
Molecular structure of 1-methyl-3-pyrrolidinone
5-methyl-2-pyrrolidinone
Molecular structure of 5-methyl-2-pyrrolidinone
N-methylpyrrolidone
Molecular structure of N-methylpyrrolidone
N-methyl-N-vinylacetamide
Molecular structure of N-methyl-N-vinylacetamide
piperidin-2-one
Molecular structure of piperidin-2-one