Piperoxan hydrochloride is primarily used in pharmacological research as an alpha-adrenergic blocking agent. It is often employed in studies to investigate the effects of adrenergic receptors on various physiological processes. By blocking these receptors, it helps researchers understand the role of adrenaline and noradrenaline in the body, particularly in the cardiovascular and nervous systems. Additionally, it has been utilized in experimental settings to study the mechanisms of hypertension and to explore potential treatments for conditions related to adrenergic overactivity. Its application in these areas contributes to the development of new therapeutic strategies targeting adrenergic pathways.