Piperoxan is primarily used as an alpha-adrenergic blocking agent, meaning it inhibits the action of certain neurotransmitters involved in vasoconstriction and smooth muscle contraction. It has been employed in research settings to study the sympathetic nervous system and cardiovascular responses. Due to its ability to block alpha-adrenergic receptors, piperoxan can induce vasodilation, leading to lowered blood pressure, and has been used experimentally to investigate hypertension and circulatory regulation. Its role is mostly confined to pharmacological research rather than clinical therapy, serving as a tool compound to understand receptor mechanisms and drug interactions within adrenergic pathways.