Lexikon

benzene, or benzol, is an aromatic ring with the molecular formula C₆H₆. benzene is a colorless and flammable liquid with a strong smell and a relatively high melting point. Because it is a known carcinogen, its use as in gasoline is now limited, but it is an important industrialsolvent and precursor in the production of drugs and plastics. benzene is a natural constituent of mineral oil.

Alkylbenzenes are organic compounds that has an alkyl group bound to a benzene ring. Two well known alkylbenzenes are methylbenzene and toluene, both are colorless flammable liquids obtained from petroleum or coal tar, used as a solvent for gums and lacquers and in high-octane fuels. See also BTEX.