undecanal
Undecanal is an organic compound with the chemical formula C11H22O. It is also known as undecylic aldehyde. Structurally, it is an aldehyde with an eleven-carbon chain. This means it has a carbonyl group (C=O) at the end of a saturated hydrocarbon chain. Undecanal is a colorless liquid at room temperature. It is characterized by a distinct waxy or fatty odor, which is often described as floral and citrusy. This olfactory property makes it useful in the fragrance industry.
Undecanal occurs naturally in some essential oils, such as those derived from citrus fruits like orange and