An aromatic compound is a type of chemical compound that contains a ring structure with alternating double bonds, known as a benzene ring. These compounds are characterized by their stability and unique properties, which arise from the delocalization of electrons within the ring. Aromatic compounds often have distinct and pleasant smells, making them important in the fragrance and flavor industries. Common examples of aromatic compounds include toluene, xylene, and phenol. They are widely used in various applications, such as solvents, dyes, and pharmaceuticals. The presence of functional groups can modify their properties, leading to a diverse range of chemical behaviors and uses.