| − | '''Phenol''' (or carbolic acid) is an [[organic compound]] with the molecular formula C6H5OH. It is an important industrial chemical. It was formerly obtained from [[coal tar]] but is now produced from [[petroleum]]. | + | '''Phenol''' (or carbolic acid) is an [[organic compound]] with the molecular formula C6H5OH. It was formerly obtained from [[coal tar]] but is now produced from [[petroleum]]. Phenol is an important industrial chemical and is a precursor for many products including plastics, detergents, herbicides and pharmaceutical drugs. |