2-Undecanol is primarily used in the fragrance and flavor industry due to its mild, citrus-like aroma. It serves as a key ingredient in the formulation of perfumes, colognes, and scented personal care products, adding a fresh and clean note. In the food industry, it is utilized as a flavoring agent to impart a subtle citrus flavor to various products. Additionally, it finds application in the production of synthetic lubricants and plasticizers, where it acts as an intermediate. Its antimicrobial properties also make it suitable for use in certain disinfectants and cleaning agents.