Nonadecanophenone is primarily utilized in organic synthesis and research applications. It serves as a key intermediate in the production of complex organic compounds, particularly in the development of specialty chemicals and pharmaceuticals. Its structure makes it suitable for use in the study of ketone-based reactions and as a building block for synthesizing larger molecules. Additionally, it finds application in material science for the creation of polymers and coatings with specific properties. In analytical chemistry, it is sometimes used as a standard or reference compound in chromatographic studies. Its long hydrocarbon chain also makes it relevant in studies involving lipid chemistry and surfactant research.