Synonyms:2-Pyrrolidinone; 2-oxopyrrolidine; 1-azacyclopentan-2-one; azacyclopentan-2-one;
Appearance & Character:Transparent colorless liquid or low melting point solid
Density:1.12 g/mL at 25 °C(lit.)
Melting Point:23-25 °C(lit.)
Boiling Point:245 °C(lit.)