4-Octanol is primarily used as an intermediate in the synthesis of various chemicals, including plasticizers, lubricants, and surfactants. In the fragrance industry, it serves as a component in the formulation of perfumes and flavoring agents due to its mild, fatty odor. It is also utilized in the production of esters, which are important in creating solvents and additives for coatings and inks. Additionally, 4-Octanol finds application in research and development as a standard or reference compound in analytical chemistry. Its properties make it suitable for use in organic synthesis and as a solvent in specific industrial processes.