Potassium hydroxide solution, 0.5 mol/l - 0.5 N volumetric solution, Molar mass (M) 56,11 g/mol, Density (D) ~1,028 g/cm³, Boiling point (bp) ~100 °C, CAS No. [1310-58-3], UN-Nr. 1814, EG-Nr. 215-181-3, Empirical formula KOH