Pyridazine hydrochloride is widely used in the pharmaceutical industry as an intermediate in the synthesis of various drugs. It plays a crucial role in the development of compounds with potential therapeutic effects, particularly in the design of molecules targeting neurological and cardiovascular diseases. Its structure is valuable for creating heterocyclic compounds, which are often key components in medicinal chemistry.

In agrochemical research, it serves as a building block for developing pesticides and herbicides. The chemical’s reactivity allows for the creation of compounds that can effectively control pests and weeds, contributing to improved agricultural productivity.

Additionally, it is utilized in organic synthesis for constructing complex molecules in academic and industrial research. Its versatility makes it a valuable reagent in the preparation of diverse chemical entities for further study and application.