Silver nitrate, min. 99,9 %, for staining of proteins, Proteicolor®, Molar mass (M) 169,88 g/mol, Density (D) 4,35 g/cm³, Boiling point (bp) 440 °C, CAS No. [7761-88-8], UN-Nr. 1493, EG-Nr. 231-853-9, Empirical formula AgNO3