The synthesis and characterization of the 4,5-dicyano-2H-1,2,3-triazole anion in its 5-aminotetrazole, 1,5-diaminotetrazole, and 1,5-diamino-4-methyl-tetrazole salts are reported. All compounds were characterized by IR, H-1 NMR, and C-13 NMR spectroscopy, as well as elemental analyses. Their thermal decompositions were investigated by TG-DSC. The densities, combustion heats, and sensitivity properties were tested. Additionally, enthalpies of formation, detonation pressures, detonation velocities, and heats of detonation were calculated. The compounds have potential application in the energetic materials field.