anthracene

In 2010, a strong absorption band of anthracene was observed along a line of sight to a star in the open cluster IC 348, and this may be associated with an intervening molecular cloud.
 * Anthracene** is a solid polycyclic aromatic hydrocarbon consisting of three fused Benzene benzene rings. It is a component of coal-tar. Anthracene is used in the Economic productionof the red dye alizarin and other dyes. Anthracene is colorless but exhibits a blue (400-500 nm peak) fluorescence under Ultraviolet light.