CAS: 1337-83-3
Isoundecanal, also known as ALDEHYDE ISO C 11 or Aldehyde C-11 Iso, is a branched chain saturated aliphatic aldehyde with the molecular formula C11H22O. It is typically marketed as a mixture of isomers. It appears as a clear, colorless to pale yellow liquid and is characterized by a strong, diffusive aldehydic, fatty, and waxy odor, often with citrus and green nuances. Its distinct aroma profile makes it valuable in perfumery.
Primarily used as a fragrance ingredient in a wide range of perfumery products to impart aldehydic, fatty, waxy, and fresh notes. It can also be found in certain flavor compositions.
Commonly applied in fine fragrances, eau de toilettes, colognes, soaps, detergents, shampoos, cosmetics, candles, and other household products where a diffusive, long-lasting aldehydic scent is desired. In flavors, it can be used to add waxy or fatty nuances to fruit or dairy profiles.
Isoundecanal is classified as a skin irritant (H315), an eye irritant (H319), and a skin sensitizer (H317), meaning it may cause an allergic skin reaction. It is also toxic to aquatic life with long-lasting effects (H411). Precautionary measures include avoiding contact with skin and eyes, wearing appropriate personal protective equipment (gloves, eye protection), and avoiding release to the environment. In case of contact, wash thoroughly with water; if irritation persists, seek medical attention.
IsoundecanalAldehyde C-11 IsoIsoundecylic aldehydeUndecanal branched2-Methyldecanal (major isomer)
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