Grade: ACS, Reag. Ph Eur CAS No.: 485-47-2 pH: 4.6 - 5.0 (10 g/l, H2O, 20°C) Solubility: 20 g/l (20°C) Melting Point: 250 - 258°C (decomposition) Molar Mass: 178.15 g/mol Bulk Density: 680 kg/m3 Hill Formula: C9H6O4