A white crystalline aromatic hydrocarbon, C10H8, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of derivatives among organic compounds. Formerly called also naphthaline.
- A white crystalline compound, C10H8, derived from coal tar or petroleum and used in manufacturing dyes, moth repellents, and explosives and as a solvent. Also called tar camphor.