Benzenetricarboxylic acid is a group of chemical compounds which are tricarboxylic derivatives of benzene. Benzenetricarboxylic acid comes in three isomers:
Common NameHemimellitic acidTrimellitic acidTrimesic acidSystematic Name1,2,3-benzenetricarboxylic acid1,2,4-benzenetricarboxylic acid1,3,5-benzenetricarboxylic acidStructural FormulaCAS Registry Number732304-21-1528-44-9554-95-0 All isomers share the molecular weight 210.14 g/mol and the chemical formula C9H6O6.