In the title molecule, C4H6N8S2, two tetrazole rings linked by a disulfide bridge form a dihedral angle of 71.32 (7)° [C—S—S—C torsion angle = −80.51 (10)°]. In the crystal, strong intermolecular π–π interactions between the tetrazole rings [centroid–centroid distance = 3.285 (3) Å] link pairs of molecules into centrosymmetric dimers. Weak intermolecular C—H⋯N hydrogen bonds further link these dimers, related by translation in the [100] direction, into columns.
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