In short
Amber Xtreme is an IFF woody-amber ether of exceptional strength, used in traces. IFF describes it as an amber woody ingredient that adds performance to almost any fragrance type.
What Amber Xtreme smells like
IFF describes Amber Xtreme as an amber woody ingredient that provides extraordinary performance to almost any fragrance type, discovered in 2001 by turning galbanum-derived molecules into ethers with an amber odour; it gives a typical use level of traces to 0.5%. Scentspiracy describes the scent as dry, woody-amber, slightly musky and animalic.
- Leading note
- Woody amber
- Clear facets
- Dry
- Supporting facets
- Musky
- Faint facets
- Animalic
- Character
- Powerful, radiant, tenacious
What makes Amber Xtreme distinctive
Strength: an amber-woody ether designed to perform at trace levels.
How Amber Xtreme is used
IFF recommends it from traces to 0.5% as a performance booster across fragrance types.
Typical role: modifier (used in small amounts to change the character of a blend); fixative (slow to evaporate; helps a blend last and holds lighter notes).
How Amber Xtreme differs from similar materials
- Ambrocenide
- Both are powerful woody-amber molecules used in traces; Amber Xtreme is described as drier with a musky, slightly animalic undertone.
Each difference compares the published descriptions of the two materials. Smell varies with grade, supplier and dilution; compare them side by side on blotters before substituting one for another.
Formulation considerations
Very powerful: IFF gives a typical use level of traces to 0.5%.
Identity and classification
- Type
- Aroma chemical
- Origin
- Synthetic
- Odour family
- Amber / Woody
- Note position
- Base note
- Physical form at room temperature
- Liquid
- Also known as
- Decahydro-2,2,6,6,7,8,8-heptamethyl-2H-indeno[4,5-b]furan
- CAS number
- 476332-65-7
- Molecular formula
- C18H32O
- Molecular weight
- 264.4 g/mol
- IUPAC name
- 2,2,6,6,7,8,8-heptamethyl-3,3a,4,5,5a,7,8a,8b-octahydrocyclopenta[g][1]benzofuran
The CAS number, formula and molecular weight are taken from PubChem compound 92030006, whose own record lists this CAS number; checked 24 October 2026.
Safety and compliance
Hazard classification of the neat substance, as PubChem summarises it, read 26 October 2026. Companies notifying the ECHA C&L Inventory classify it (68 reports): H317 may cause an allergic skin reaction (100% of reports); H315 causes skin irritation (61.8% of reports); H413 may cause long lasting harmful effects to aquatic life (61.8% of reports); H410 very toxic to aquatic life with long lasting effects (38.2% of reports). A skin sensitiser classification concerns handling the neat material and the dose in a finished product; the IFRA Standards, where they apply, set the limits. Unless it is harmonised, this is the notifiers' own classification, not a binding one.
This page is general information, not a safety assessment or a specification. Confirm identity, composition, IFRA status and allergen content from your supplier's documents for the lot you hold.
Materials it works with
-
Ambroxan
Aroma chemical · Amber / Woody — amber, ambergris, woody, mineral
-
Iso E Super
Aroma chemical · Woody / Amber — woody, velvety, amber, cedar
-
Cedramber
Aroma chemical · Woody / Amber — woody, amber, dry, cedar
Used in formulas and accords
Used in 18 published formulas
Amber Xtreme is an ingredient in 12 perfume formulas and 6 accords in the Formula & Accord Library.
Community formulas
RUŌOD House Originals
Original compositions by RUŌOD House.
Further reading
Questions about Amber Xtreme
Is Amber Xtreme natural or synthetic?
Amber Xtreme is synthetic — it is made by chemical synthesis.
What is the CAS number of Amber Xtreme?
476332-65-7. It was checked against PubChem on 24 October 2026.
Which published formulas use Amber Xtreme?
Amber Xtreme is used in 18 published formulas in the RUŌOD Lab Formula & Accord Library, including Amber Accord, Aperol Spritz Accord and Apple Cellar. Each is listed with a link under "Used in formulas and accords" on this page.
Sources
- PubChem — compound 92030006, checked 24 October 2026.
- PubChem — GHS classification (the ECHA C&L Inventory notifications and any harmonised EU entry), read 26 October 2026.
- IFF Online Compendium — Amber Xtreme — manufacturer's description.
- Scentspiracy — Amber Xtreme — distributor's description.
- Olfactory profile: the RUŌOD Lab team's synthesis of the published descriptions above, reviewed 24 October 2026. Evidence: more than one published description. Classification and the short description: revision 1. Descriptions of odour are judgement, not measurement.