Chemical Compound Benzene is an organic chemical compound with the molecular formula C6H6. Its molecule is composed of 6 carbon atoms joined in a ring, with 1 hydrogen atom attached to each carbon atom. Formula: C6H6 Density: 876.50 kg/m³ Boiling point: 80.1 °C IUPAC ID: Benzene Molar mass: 78.11 g/mol Soluble in: Water