Triacontanoic acid methyl ester is primarily used in the formulation of coatings and lubricants due to its ability to enhance surface properties and reduce friction. It is also employed in the production of waxes and polishes, where it contributes to durability and water resistance. In the cosmetic industry, it serves as an emollient and thickening agent in skincare products, improving texture and stability. Additionally, it finds application in research as a standard or reference compound in analytical chemistry studies. Its long-chain structure makes it suitable for use in specialty chemicals and industrial applications requiring hydrophobic characteristics.