or
2-Pyrrolidone 200 L^ 2-Pyrrolidone, Color: Light yellow, Cas number: 616-45-5, Molecular Weight: 85.11, Formula: C4-H7-N-O, Physical state: Low melting point solid, Liquid above 25 deg C, Synonyms: gamma-Aminobutyric acid lactam, 4-Aminobutyric acid lactam, gamma-Aminobutyric lactam, Size: 200 L