Nonanophenone is primarily utilized in organic synthesis as an intermediate for the production of various chemicals. It is often employed in the manufacture of fragrances and flavoring agents due to its aromatic properties. Additionally, it serves as a building block in the synthesis of pharmaceuticals, where it contributes to the formation of complex molecular structures. In research, nonanophenone is used as a reagent in studies involving ketone chemistry and as a precursor for developing new organic compounds. Its applications also extend to the field of material science, where it is used in the development of specialty polymers and coatings.