Product name: 2-pyrrolidone CAS No: 616-45-5 Chemical Formular: C4H7NO Grade: 99.5% &99.0% Appearance: colorless liquid Flash point: 129.4 Celsius Boiling point: 245 Celsius Density (g/ml) 1.097-1.117 Colourity (APHA) :max 40 Refractive index n20D1.4830-1.4850 Characteristics: It can dissolve with water, low chain ketone, low chain alcohol, ether, chloroform and benzene. Package:Galvanized iron drum of 200Kgs net weight