Chrysene

**Semantic type:** Organic Chemical

**Definition:** An aromatic hydrocarbon in coal tar, allied to naphthalene and anthracene. It is a white crystalline substance, C18H12, of strong blue fluorescence, but generally colored yellow by impurities.

**Synonyms:** - 1,2,5,6-Dibenzonaphthalene - 1,2-Benzophenanthrene - 1,2-Benzphenanthrene - Benz(a)phenanthrene - Benzo(a)phenanthrene - CHRYSENE