Description General description 3-Amino-5-methylthio-1H-1,2,4-triazole on condensation with chloro-, bromo- and nitro-substituted 2-hydroxybenzaldehyde yields triazole derived Schiff base ligands. It is an efficient electrolyte additive in dye sensitized solar cell. Application 3-Amino-5-methylthio-1H-1,2,4-triazole was used in the synthesis of heterocyclic disperse azo dyes based on 8-hydroxyquinoline. Packaging 25 g in glass bottle