The crystal structure of the title compound, '-[2,2-dithiobis(phenylim
inomethyl)]di-2-naphthol, C34H24N2-O2S2, has been determined. Two 2-hy
droxy-2-mercapto-phenyl-1-naphthaldimine moieties, which can act as tr
identate ligands, are joined by the S atoms. The molecule is not plana
r and contains intramolecular O ... N hydrogen bonds.