Perchloric acid, 0,1 mol/l - 0,1 N, volumetric stand. sol., Reag. Ph.Eur., in anhydrous acetic acid, Molar mass (M) 100,46 g/mol, Density (D) 1,06 g/cm³, Flash point (flp) 40 °C, Boiling point (bp) 117 °C, CAS No. [7601-90-3], UN-Nr. 2789, EG-Nr. 231-512-4, Empirical formula HCIO4