The ring-shaped compound benzene (C6H6) belongs to the group of BTEX aromatics. It is liquid, colourless, highly flammable and has a characteristic aromatic odour. Benzene is an important starting product in the petrochemical industry. Its derivatives and derived products are used in Paints, pharmaceuticals, insecticides and plastics further processed. It is also Fuels (to increase the octane number). Like all BTEX aromatics, benzene is highly volatile and very mobile. Benzene is classified as carcinogenic and toxic.
