Acenaphthoquinone is a quinone derived from acenaphthene. It is a water-insoluble yellow solid. It is a precursor to some agrichemicals and dyes. Preparation The compound is prepared in the laboratory by oxidation of acenaphthene with potassium dichromate. Commercially, oxidation is effected with peroxide. Over-oxidation gives naphthalenedicarboxylic anhydride. References External links National Pollutant Inventory - Polycyclic Aromatic Hydrocarbon Fact Sheet PAHs - including structural diagrams Entry at ChemicalLand21.com Quinones Polycyclic aromatic compounds Enones