Product Description: Hexamethonium Chloride Dihydrate is a synthetic organic compound commonly used as a ganglion blocking agent, which means it blocks the transmission of nerve impulses between ganglion cells in the autonomic nervous system. Hexamethonium Chloride Dihydrate is used in various medical applications such as lowering blood pressure or inhibiting certain types of neuropathic pain. It works by inhibiting the release of acetylcholine, a neurotransmitter that plays a key role in regulating many bodily functions.