Ambergris (CAS 8038-65-1) — marine base Note Fragrance Ingredient
Ambergris
CAS 8038-65-1
What Is Ambergris?
Ambergris is a rare, waxy substance produced in sperm whale digestive systems, often found washed ashore after years of ocean aging. It transforms from foul-smelling waste into a prized perfumery material with marine, animalic, and sweet facets. This legendary ingredient matters because it creates unparalleled depth in luxury fragrances, serving as a natural fixative that enhances other notes while contributing its own complex aroma profile.
Safety Profile
GENERALLY SAFE
What Does Ambergris Smell Like?
Aged ambergris unfolds like ocean mist over warm skin – initially briny with iodine richness, then revealing a heart of sun-baked driftwood and sunken treasure musk. The dry-down is sublime: sweetened leather, faintly fecal animalics softened into honeyed warmth, with whispers of tobacco leaves stored in cedar chests. Unlike synthetic ambers, true ambergris retains aquatic breathiness even in its most velvety phases, creating a living texture that evolves with the wearer’s chemistry over days.
Scent Profile
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Christian Dior’s masterpiece uses ambergris to transform rose into a nocturnal fantasy, where the marine facets create shimmering reflections beneath the floral heart.
Here ambergris bridges animalic musk and dry oud, adding wet stone minerality that prevents the composition from becoming too arid.
Lutens amplifies ambergris’ resinous qualities, blending it with labdanum to create a sun-drenched amber that feels both ancient and alive.
Ambergris provides the regal foundation for this oriental, its salty depth balancing the opulent fruits and spices with aristocratic restraint.
Ellena’s modern interpretation uses ambergris’ marine character to create the illusion of sun-bleached driftwood and ocean breezes.
Chemistry, Properties & Perfumer Guide
The Chemistry
Ambergris is primarily composed of ambrein, a triterpene alcohol that oxidizes over time into ambroxide and other aromatic compounds. The aging process transforms cholesterol derivatives through photochemical reactions during years of ocean exposure. Unlike lab-synthesized ambroxides, natural ambergris contains hundreds of trace compounds including epi-coprosterol and benzoic acid derivatives that contribute to its complexity. The material’s value increases with age as oxidative processes create more favorable odor molecules – white ambergris being the most prized for its delicate balance of marine and sweet facets.
Physical & Chemical Properties
| Appearance | Waxy lumps, white to black depending on age |
|---|---|
| Solubility | Soluble in alcohol, insoluble in water |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.5-2% | Up to 5% | Used sparingly for depth and fixative properties |
| Oriental Bases | 1-3% | Up to 8% | Enhances resinous accords |
Classic Accords
+ Oakmoss + Leather = Chypre Revival
+ Iris + Sandalwood = Skin Musk
Tip: Dissolve aged ambergris in high-proof alcohol for months before use to develop full complexity.
Alternatives & Comparisons
Synthetic alternative focusing on ambergris’ clean woody-amber aspects without animalic nuances.
More diffusive than ambroxan, with enhanced marine character for modern aquatic fragrances.
Provides resinous warmth when animalic facets aren’t desired.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. IFRA, REACH, EU Cosmetics Regulation standards update periodically. Consult current IFRA Standards Library before formulating. Not legal or regulatory advice.
IFRA Status
No IFRA restrictions. Natural ambergris is exempt from animal material prohibitions when ethically sourced.
RIFM Assessment
RIFM considers naturally sourced ambergris safe for use in fragrances at current levels.
Sustainability
Modern perfumery primarily uses aged ambergris found washed ashore, avoiding harm to whale populations. Strict CITES regulations govern international trade. Synthetic alternatives now satisfy most commercial needs, reducing pressure on natural supplies while allowing vintage-quality fragrances to utilize this legendary material responsibly.
Explore Ambergris
Browse essential oils and aroma compounds.
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Industry & Science Data
References
- Ohloff, G. (1994). Scent and Fragrances. Springer. ISBN 978-3-642-78480-4
- Sell, C. (2006). The Chemistry of Fragrances. RSC Publishing. ISBN 978-0-85404-824-3
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Mar 2026.
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