(E)-Non-3-en-2-one is widely used in the fragrance and flavor industry due to its unique olfactory properties. It imparts a fresh, green, and slightly fruity aroma, making it a valuable component in the formulation of perfumes, colognes, and scented products. It is often incorporated into floral and citrus-based fragrances to enhance their complexity and depth. Additionally, it is utilized in flavoring agents for food and beverages, where it contributes a subtle, natural-like taste. Its versatility also extends to household products such as detergents and air fresheners, where it helps create pleasant and inviting scents.