Benzenetricarboxylic acid
# Benzenetricarboxylic acid

Benzenetricarboxylic acid is a group of chemical compounds which are tricarboxylic derivatives of benzene. Benzenetricarboxylic acid comes in three isomers:

| Common Name | Hemimellitic acid | Trimellitic acid | Trimesic acid |
| - | - | - | - |
| Systematic Name | 1,2,3-benzenetricarboxylic acid | 1,2,4-benzenetricarboxylic acid | 1,3,5-benzenetricarboxylic acid |
| Structural Formula | | | |
| CAS Registry Number | 732304-21-1 | 528-44-9 | 554-95-0 |

All isomers share the molecular weight 210.14 g/mol and the chemical formula $C_9H_6O_6.$

