EINECS: 215-234-0 Density: 19.7 g/mL at 25 °C(lit.) Melting point 2346 °C density 19.7 g/mL at 25 °C(lit.) storage temp. Storage temperature: no restrictions. Specific Gravity 9.17 Water Solubility Soluble in hot dilute acids. Insoluble in water. Hazard Symbols:IrritantXi Risk Codes: 36/37/38