Aldehyde C-11 or undecanal is a fatty aldehyde with a strong citrus and floral odor, reminiscent of roses and citrus peel. It is used in perfumery to impart freshness and a clean, bright citrus scent to fragrance compositions. Its strong odor makes it a valuable component for creating or enhancing citrus and floral notes in perfumes, as well as in soaps, detergents, and other scented products.
Used to impart a fresh, clean, and bright citrus scent in fragrances, enhancing floral and citrus notes. Also used in soaps, detergents, and other scented products for its strong and pleasant odor.
IUPAC Name: undecanalCAS Number: 112-44-7
Molecular Formula: C11H22O
Molecular Weight: 170.29 g/mol
Boiling Point: 142.22 to 151.85 °C (287.99 to 305.33 °F)
Melting Point: -4 °C (24.8 °F)
Class: Aldehyde
Use/s: Scent
Synonyms
1: UNDECANAL 2: Undecyl aldehyde 3: Undecanaldehyde 4: Undecylic aldehyde 5: n-Undecanal 6: 1-Undecanal 7: Undecylaldehyde 8: Hendecanal 9: Hendecanaldehyde
Chemist Says
Liquid
Scent: Sweet, Fatty, Floral
Scent profile
Scent profiles are inherently subjective and can significantly differ among individuals, and may also be influenced by the conditions at the time of evaluation. The information provided here is a synthesis of data from diverse sources, including books, cross-references, artificial intelligence analyses, and chemical research sites, aiming to present a comprehensive overview. We've distilled this information to highlight the most frequently observed scent profiles for each molecule or compound, offering a generalized perspective.
1: Citrus, Floral, Fresh, Clean
2: Waxy, Citrus, Floral
3: Citrusy, fatty, with a strong and unpleasant character
Irritant