Grade: Reag. Ph Eur CAS No.: 1829-00-1 pH: 5.1 (10 g/l, H2O, 20°C) Solubility: 29 g/l (24°C) Melting Point: >300°C (decomposition) Molar Mass: 695.7 g/mol Bulk Density: 310 kg/m3 Hill Formula: C28H19N5Na2O6S4