Benzene is an important organic chemical compound with the chemical formula C6H6. 
The benzene molecule is composed of 6 carbon atoms joined in a ring with 1 hydrogen atom attached to each. 
Because it contains only carbon and hydrogen atoms, benzene is classed as a hydrocarbon.
 
The basic raw material of aromatic products 
Used for SM, PHENOL, MALEIC ACID, CAPROLACTAM