Methyl undecanoate is widely used in the fragrance and flavor industry due to its pleasant, fatty, and waxy odor. It serves as a key ingredient in the formulation of perfumes, cosmetics, and personal care products, adding a subtle, long-lasting scent. Additionally, it is utilized in food flavorings to impart a creamy, buttery note to various products. In industrial applications, it acts as a solvent or intermediate in the synthesis of other chemicals. Its stability and low toxicity make it suitable for use in a range of consumer and industrial products.