ChEBI: Dicamba is a methoxybenzoic acid that is O-methylsalicylic acid substituted by chloro groups at positions 3 and 6. It has a role as a xenobiotic, an environmental contaminant, a herbicide, a synthetic auxin and an agrochemical. It is a methoxybenzoic acid and a dichlorobenzene. It is a conjugate acid of a 3,6-dichloro-2-methoxybenzoate.