Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antitubercular, antimicrobial, antiviral, and central nervous system agents. Its hydrazine functionality allows for the formation of various heterocyclic compounds and pyridine-based derivatives that exhibit biological activity, which are important in drug design. Additionally, it serves as a reagent in chemical analysis for detecting carbonyl compounds such as aldehydes and ketones, forming stable hydrazone crystals with definite melting points suitable for identifying unknown substances in laboratories. Also utilized in coordination chemistry as a ligand for metal ions in catalytic systems.