2,4-Undecadienal is an aromatic compound known for its distinctive aldehydic profile, featuring a powerful, citrusy, and slightly green scent with warm, fatty undertones. It is most recognized for its role in flavor and fragrance formulations, where it imparts a natural, zesty aroma reminiscent of orange peel or citrus zest with subtle floral and waxy notes. In the flavor industry, 2,4-Undecadienal is highly valued for enhancing the freshness and complexity of food flavors. It is commonly used to create or enrich citrusy, savory, or fruity profiles in products such as snacks, beverages, and baked goods. Its strong and vibrant aroma allows it to mimic the nuances of freshly prepared food, making it an important ingredient for creating realistic and appealing flavor profiles.