N-Ethyl-2-pyrrolidone, min. 98 %, for synthesis, Molar mass (M) 113,2 g/mol, Density (D) 0,998 g/cm³, Flash point (flp) 91 °C, Boiling point (bp) 212,5 °C, CAS No. [2687-91-4], EG-Nr. 220-250-6, Empirical formula C6H11NO