The trimethylbenzenes constitute a group of substances of aromatic hydrocarbons, which structure consists of a benzene ring with three methyl groups (–CH3) as a substituent.
[1][2] Through their different arrangement, they form three structural isomers with the molecular formula C9H12.
They also belong to the group of C3-benzenes.
The best-known isomer is mesitylene.
[3]