Trimellitic acid

Trimellitic acid (benzene-1,2,4-tricarboxylic acid) is a chemical compound with the molecular formula C6H3(СООН)3. Like the other isomers of benzenetricarboxylic acid, trimellitic acid is a colorless solid. It is prepared by oxidation of 1,2,4-trimethylbenzene.

Isomers

 * Hemimellitic acid (benzene-1,2,3-tricarboxylic acid)
 * Trimesic acid (benzene-1,3,5-tricarboxylic acid)