Melting point -48 °C Boiling point 400 °C (lit.) Density 0.986 g/mL at 25 °C (lit.) vapor pressure 1 mm Hg ( 217 °C) refractive index n20/D 1.49(lit.) Flash point 230 °F storage temp. 2-8°C solubility Aqueous Base (Slightly) form Liquid color Clear colorless Water