Acetonitrile with 0.1 % Formic acid, ROTISOLV® min. 99,9 %, LC-MS-Grade, Molar mass (M) 41,05 g/mol, Density (D) 0,79 g/cm³, Flash point (flp) 12,8 °C, Boiling point (bp) 81,65 °C, UN-Nr. 1648, Empirical formula C2H3N