Sodium hydroxide, min. 98 %, Ph.Eur., USP, BP, in pellets, Molar mass (M) 40,0 g/mol, Density (D) 2,13 g/cm³, Boiling point (bp) 1388 °C, CAS No. [1310-73-2], UN-Nr. 1823, EG-Nr. 215-185-5, Empirical formula NaOH