Used in organic synthesis as a reagent for the preparation of heterocyclic compounds, particularly in the synthesis of benzotriazoles, which are important in pharmaceuticals and agrochemicals. It serves as a key intermediate in the production of dyes and pigments, contributing to their color stability and intensity. Additionally, it is employed in the development of corrosion inhibitors, protecting metal surfaces in industrial applications. Its hydrazine moiety makes it useful in analytical chemistry for the detection and quantification of carbonyl compounds. In medicinal chemistry, it is utilized to create derivatives with potential biological activity, aiding in drug discovery and development.