The C4-benzenes are a class of organic aromatic compounds which contain a benzene ring and four other carbon atoms.
There are three tetramethylbenzenes, six dimethylethylbenzenes, three diethylbenzenes, three isopropylmethylbenzenes, three n-propylmethylbenzenes and four butylbenzenes.
The saturated compounds have formula C10H14 and molecular weight 134.22 g/mol.
C4-benzenes are found in petroleum.
[1] Petrol (gasoline) can contain 5-8% C4-benzenes.