CAS Number: 123-99-9 Solubility: 2.4 g/l (20°C) Melting Point: 107°C Molar Mass: 188.22 g/mol Boiling Point: >500°C (1013 hPa) Vapor Pressure: Flash Point: 215°C Density: 1.029 g/cm3 (20°C) pH: 3.5 (1 g/l, H2O)