Name: 1-Methyl-2-pyrrolidinone
CAS: 872-50-4
Synonyms: 1-METHYL-2-PYRROLIDINONE
1-METHYL-2-PYRROLIDONE
M-PYROL(R)
N-METHYL-2-KETOPYRROLIDINE
N-METHYL-2-PYROLLIDONE
N-METHYL-2-PYRROLIDINONE
N-METHYL-2-PYRROLIDONE
N-METHYLPYROLIDONE
N-METHYLPYRROLID-2-ONE
N-METHYLPYRROLIDINONE
N-METHYLPYRROLIDNONE
N-METHYLPYRROLIDONE
NMP
NMP-EL
NMP-T
0131
1-methyl-2-pyrrolidinon
1-Methyl-5-pyrrolidinone
1-Methylazacyclopentan-2-one
1-Methylazacyclopentane-2-one
Molecular Formula: C5H9NO
Molecular Weight: 99.13
Appearance: colourless or light yellow liquid with an amine odour
Melting point: −24 °C(lit.)
mp: −24 °C(lit.)
Boiling point: 202 °C(lit.)
bp: 202 °C(lit.)
density: 1.028 g/mL at 25 °C(lit.)
vapor density: 3.4 (vs air)
vapor pressure: 0.29 mm Hg ( 20 °C)
refractive index: n20/D 1.479
Fp: 187 °F
storage temp.: 2-8°C
solubility: ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v)
form: Liquid
pka: -0.41±0.20(Predicted)
