In the title compound, C19H16N4S4, the molecules exhibit a butterfly conformation, where the thiadiazole and attached benzene rings in two wings are almost coplanar, with dihedral angles of 0.8 (3) and 0.9 (3)°, respectively, while the two thiadiazole rings form a dihedral angle of 46.3 (3)°.



![[triangle]](/corehtml/pmc/pmcents/rtrif.gif)


and ω scans