DefinitionAn <ACENAPHTHYLENE COMPOUND> is a <POLYCYCLIC AROMATIC HYDROCARBONS COMPOUND> consisting mainly of acenaphthylene: a polycyclic aromatic hydrocarbon consisting of naphthalene with an olefine bridge connecting positions 1 and 8
It is a constituent of coal tar. Reduction of the olefin gives the related compound acenaphthene.Unlike most polycyclic aromatic hydrocarbons, it has no fluorescence.