The use of 4-isoamylcyclohexanol [4-(3-methylbutyl)-cyclohexan-1-ol], in particular of cis-4-isoamylcyclohexanol, as an odoriferous or aroma substance, in particular as a flowery odoriferous substance which is distinguished especially by rose and geranium notes, is primarily described. Certain mixtures of cis- and trans-4-isoamylcyclohexanol and a process for the preparation of these mixtures are additionally described.