Benzophenone hydrazone is primarily used in organic synthesis as a versatile intermediate. It plays a significant role in the preparation of various heterocyclic compounds, which are essential in pharmaceutical and agrochemical industries. The compound is also utilized in the development of photoinitiators for UV-curable coatings and inks, contributing to the efficiency of polymerization processes. Additionally, it serves as a key reagent in the synthesis of hydrazone derivatives, which are studied for their potential biological activities, including antimicrobial and anticancer properties. Its application extends to analytical chemistry, where it is used as a derivatization agent for the detection and quantification of carbonyl compounds.