Complex formation between ferric ions and 4-chloro-2,6-bis(hydroxymethyl)phenol in 0.3 mole fraction of methanol and 0.10 M tetraethylammoniumbromide as inert ionic medium has been studied at 25.0 °C using spctrophotometric and potentiometric methods. This charge-transfer complex has a strong absorbance in 580 nm. Ferro ions do not have any significant interaction with this ligand. In both spectrophotometric and potentiometric methods, it was found that only the MLH2 and MLH3 species are formed in the pH range 2.0 to 11.5. The M:L ratio of the complex is also obtained by continuous variation and mole ratio methods, which is equal to 1:1 for this complex.