N-Methyl Pyrrolidone Properties, Molecular Formula, Applications - WorldOfChemicals

N-Methyl Pyrrolidone Properties

N-Methyl Pyrrolidone

Molecule 3D Structure Image
Molecule Structure Image



N-Methyl Pyrrolidone is a chemical compound with 5-membered lactam structure. It is a clear to slightly yellow liquid miscible with water and solvents like ethyl acetate, chloroform, benzene and lower alcohols or ketones. It also belongs to the class of dipolar aprotic solvents which includes also dimethylformamide, dimethylacetamide and dimethyl sulfoxide.Its derivatives are used as intermediates for the synthesis of agrochemicals, pharmaceuticals, textile auxiliaries, plasticizers, stabilizers and specialty inks.

Chemical Properties

Appearance Colourless or Light Yellow Liquid
Boiling Point 202-204°C
CAS Number 872-50-4
ChEBI 7307
Chemical Composition Acetone-->METHYLAMINE-->gamma-Butyrolactone-->Butyramide
Density 1.028 g/cm3
EINECS Number 212-828-1
IUPAC Name 1-Methyl-2-Pyrrolidinone
InChI 1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
Melting Point -24 °C
Molar Mass 99.13 g/mol
Molecular Formula C5H9NO
NFPA 704 H-1, F-2, R-1, C-NA
RTECS Number UY5790000
Refractive 1.479 n20/D
Solubility Water solubility: >=10 g/100 mL at 20 °C
Synonyms N-Methyl-2-Pyrrolidinone;M-Pyrrole;Pharmasolve
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