Acenaphthylene:

Acenaphthylene is a polycyclic aromatic hydrocarbon consisting of naphthalene with an ethylene bridge connecting positions 1 and 8. It is a constituent of coal tar. Reduction of the ethylene group gives the related compound acenaphthene. Unlike most polycyclic aromatic hydrocarbons, it has no fluorescence.

Basic Facts:

A polycyclic aromatic hydrocarbon consisting of naphthalene with an ethylene bridge connecting position 1 and 8. It is a constituent of coal tar. Reduction of the ethylene group gives the related compound acenaphthene. Unlike most polycyclic aromatic hydrocarbons, it is not fluorescent.
Acenaphthylene has a molecular formula of C12H8. It has a molar mass of 152.19 grams per mole. It appears as a yellow crytalline powder. It has a density of 0.8997 grams per cm. It has a melting point of 91.8 degrees celcius, and a boiling point of 280 degree celcius. It is insoluble in water, and is very soluble in ethanol, dietthyl ehter, and benzene, and is soluble in chloroform. Its related compound is acenaopthene
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