Chloranilic acid is an organic compound with the chemical formula . It is a red-orange solid. The compound is obtained by hydrolysis of chloranil:
It is centrosymmetric, planar molecule. It also crystallizes as a dihydrate.
Chloranilic acid is a noteworthy hydroxyquinone that is somewhat acidic owing to the presence of the two chloride substituents. The conjugate base, C<sub>6</sub>H<sub>2</sub>Cl<sub>2</sub>O<sub>4</sub><sup>2-</sup> readily forms coordination complexes often linking pairs of many metal ions.