2,3,5-Triiodobenzoic acid, is a member of the class of benzoic acids that is benzoic acid in which the hydrogens at positions 2, 3 and 5 are replaced by iodine atoms.
2,3,5-Triiodobenzoic acid (TIBA) inhibits the translocation of indole-3-acetic acid transport.TIBA inhibits the colonization of the main root cortex by Laccaria bicolor S238 N and the formation of the Hartig net.