N-(2,2-Diethoxyethyl)-1,2,3,4-tetrahydronaphthalene-1-carboximidamide Hydrochloride is an intermediate in the synthesis of 2-(1,2,3,4-Tetrahydronaphthalen-1-yl)-1H-imidazole (T294110), which is a novel 2-imidazole derivative with potent and selective α1A adrenoceptor partial agonists.