Iodobenzoic acids are any of three organic compounds with the formula IC6H4COOH, consisting of a carboxylic acid group and an iodine atom bonded to a central benzene ring. They can be considered as iodinated derivatives of benzoic acid, or as carboxylated variants of iodobenzene.

Iodobenzoic acid isomers
Common name and systematic name 2-Iodobenzoic acid[1] 3-Iodobenzoic acid[2] 4-Iodobenzoic acid[3]
Structure
Molecular formula C7H5IO2 (IC6H4COOH)
Molar mass 248.018 g/mol
Appearance white solid white solid white solid
CAS number [88-67-5] [618-51-9] [619-58-9]
Properties
Density and phase 2.25 g/ml, solid 2.18 g/ml, solid
Solubility in water practically insoluble
Melting point 162 °C 185–187 °C 270–273 °C

References

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  1. ^ "2-Iodobenzoic acid". PubChem. Retrieved 2022-11-27.
  2. ^ "3-Iodobenzoic acid". ChemSpider. Retrieved 5 January 2024.
  3. ^ "4-Iodobenzoic acid". PubChem. Retrieved 2023-01-21.