Methylcyclohexane Chemical Properties Melting point -126.3 °C Boiling point 101 °C(lit.) density 0.77 g/mL at 25 °C(lit.) vapor density 3.4 (vs air) vapor pressure 37 mm Hg ( 20 °C) refractive index n20/D 1.422(lit.) Fp 25 °F storage temp. Flammables area solubility 0.014g/l form Liquid color Colorless