10-Nonadecanone is primarily used in the field of pest control, particularly as an insect repellent. It has shown effectiveness in deterring various insects, making it a valuable component in formulations designed to protect crops and stored products from pest infestations. Additionally, it is utilized in research studies focused on understanding insect behavior and developing new strategies for managing insect populations. Its application extends to the development of eco-friendly pest control solutions, as it offers a less toxic alternative to traditional chemical pesticides.