Pyridine-2-aldoxime is primarily used as an antidote for poisoning by organophosphate compounds, which are commonly found in pesticides and nerve agents. It works by reactivating the enzyme acetylcholinesterase, which is inhibited by organophosphates, thereby restoring normal nerve function. This chemical is often administered in combination with atropine to enhance its effectiveness in treating acute poisoning cases. Additionally, it is employed in research settings to study the mechanisms of organophosphate toxicity and to develop more effective treatments. Its ability to bind and neutralize toxic agents makes it a critical component in emergency medical protocols for chemical exposure incidents.