2-Nonanone Other names: Heptyl methyl ketone Methyl heptyl ketone Methyl n-heptyl ketone Nonan-2-one β-Nonanone Formula: C9H18O CAS: 821-55-6 Weight: 142,2386 g/mol Boiling point: 195,3 °C Melting point: -7,5 °C Density: 0,82 g/cm3