Aldehyde C-11 Undecylenic (Undecylenic Aldehyde) is a synthetic fragrance compound derived from castor oil. It has a strong green, citrus, and floral odor with metallic undertones. Chemically, it is an aliphatic aldehyde with a long carbon chain, offering tenacity and diffusion to fragrances.
112-45-8
29130040
Liquid
C₁₁H₂₀O
168.27
Limited suppliers, high cost of synthesis, purity issues
Supplies from niche perfumery chemical sources; guarantees batch consistency, odor profile matching, and compliance with IFRA.
Fragrance Industry: Used in fine perfumes, soaps, and detergents for its leafy green top notes.
Cosmetics: Adds freshness to lotions and creams.
Flavor & Aroma Chemicals: Occasionally used in flavor compositions.
Household Cleaners: Provides natural, fresh scent to cleaning liquids and sprays.
