Formula: K2Cr2O7 Grade: ACS, ISO, Reag. Ph Eur CAS No.: 7778-50-9 pH: 3.6 (100 g/l, H2O) Solubility: 130 g/l (20°C) Melting Point: 398°C Molar Mass: 294.19 g/mol Bulk Density: 1250 kg/m3 Boiling Point: >500°C (1013 hPa) Density: 2.69 g/cm3 (20°C) Hill Formula: Cr2K2O7