Ambrocenide

✦ Extremely powerful amber-woody aroma chemical used only in traces
✦ Acts as a top-to-base booster, adding radiance and projection
✦ Outstanding tenacity — lasts weeks on a blotter
✦ Propels musks forward and gives volume to floral and woody accords
✦ Excellent stability to light and heat; does not discolour
✦ Found in many modern niche and designer amber-woody fragrances
✦ Synthetic and vegan — an ethical alternative to natural ambergris

Ambrocenide is a modern woody-amber aroma chemical developed by Symrise. It is prepared from cedrene epoxide, which is ring-opened to cedrane diol and then reacted with acetone to form a stable acetal (ketal). This origin gives it a denser, drier character than older ambergris materials such as Ambroxan.

What makes Ambrocenide special is its sheer strength and diffusion. Even at fractions of a percent it boosts an entire composition, pushing volume into the top notes while anchoring the base. It is sometimes described as having mineral, almost oud-like facets, making it a favourite for dark woody and oriental accords.

Rabibazaar supplies cosmetic-grade Ambrocenide suitable for fine fragrance, attar and mukhallat blending, functional perfumery, and air care formulation.

SCENT DESCRIPTION : A dense, dry amber-woody scent with a heavy, almost mineral character. It opens with a powerful woody radiance and settles into a warm, ambergris-like drydown. There is an oud-like depth that adds darkness and sophistication. The effect is clean, modern, and intensely long-lasting.

NOTE POSITION : Base (with strong top-to-base lift)
FRAGRANCE FAMILY : Woody · Amber · Ambergris
FACETS : Dry · Woody · Ambery · Mineral · Dense
TENACITY : Very High (weeks on blotter)
SILLAGE : High — strong projection even in trace amounts

Chemical Name : (4aR,5R,7aS,9R)-Octahydro-2,2,5,8,8,9a-hexamethyl-4H-4a,9-methanoazuleno[5,6-d]-1,3-dioxole
CAS Number : 211299-54-6
Molecular Formula : C18H30O2
Molecular Weight : 278.43 g/mol
Synonyms : Ambrocenide, Ambrocenide Crystalline, Greywood
Purity % : Typically high-purity crystalline — verify with supplier CoA
Appearance : Pale white to white crystals (solid)
Odor Threshold : Extremely low — verify with supplier
Solubility : Soluble in ethanol, DPG, IPM; insoluble in water
Specific Gravity : Verify with supplier (solid form / depends on dilution)
Flash Point : Verify with supplier SDS
Type : Synthetic

Fine Fragrance ★★★★★
The flagship use. Adds radiance, volume, and a dry woody-amber backbone. A trace amount lifts citrus and aldehydic openings and extends drydown for hours.

Attar & Oriental Blending ★★★★★
Its dense, oud-like character suits dark mukhallat, oud, and woody oriental accords. Use sparingly to add depth without overpowering naturals.

Functional Fragrance ★★★★☆
Stable and substantive in soaps, detergents, and fabric care. Excellent fixative for laundry and fabric softener bases.

Cosmetics ★★★☆☆
Usable in lotions and creams at very low levels where a refined woody-amber signature is desired.

Home Fragrance ★★★★☆
Performs well in candles, diffusers, and incense, lending a sophisticated, long-lasting amber-woody ambiance.

EDP : 0.1% – 1% (traces up to 2% max)
EDT : 0.05% – 0.5%
Body Lotion : 0.01% – 0.2%
Shampoo/Body Wash : 0.02% – 0.3%
Candle : 0.1% – 1%
Reed Diffuser : 0.1% – 1%
Soap : 0.05% – 0.5%

⚠️ Ambrocenide is extremely powerful — always pre-dilute (e.g. 10% in DPG or ethanol) and dose by weight.
⚠️ IFRA: Verify current IFRA Standard status and use the supplier IFRA certificate for your finished product category. Confirm at ifrafragrance.org before commercial use.

Method 1 — Pre-dilution: Always dissolve the crystals to 10% in DPG, ethanol, or IPM first. The neat material is too concentrated to dose accurately.

Method 2 — Trace booster: Add the smallest amount to an existing accord to lift radiance and projection without changing the core character.

Method 3 — Woody-amber base: Build it into the base alongside other ambers and musks for a dense, long-lasting drydown.

BEST PAIRINGS

Ambroxan → Reinforces a clean, dry ambergris signature
Cetalox → Smooth, rounded amber backbone
Galaxolide → Soft, diffusive musky support
Iso E Super → Adds woody transparency and lift
Oud / Woody bases → Builds dark, mineral oud-like depth

AVOID
✦ Overdosing — it flattens and dominates a blend quickly
✦ Dosing neat crystals directly into small batches

To me, Ambrocenide is a scalpel, not a brush. A single drop of a 10% solution can take a flat woody accord and make it radiate across a room — but a drop too many turns the whole thing dense and mineral. It belongs in the family of "power amber" materials, yet it reads drier and more oud-like than Ambroxan, which is why I reach for it in dark oriental work.

ADVANCED TIP : Build a 10% solution in DPG and add it at 0.1–0.3% of total formula to start. To create a modern oud illusion without natural oud, pair Ambrocenide with a touch of Iso E Super and a woody base — the mineral density it adds mimics the dry, animalic edge of aged agarwood.

Physical State : Crystalline solid
Skin Safety : Use only diluted; avoid neat skin contact
Eye Contact : Avoid; flush with water if exposed
Ingestion : Not for ingestion; keep away from children
Ventilation : Use in a well-ventilated area
Storage : Cool, dry place away from light and heat
Shelf Life : Several years if stored properly
Container : Tightly sealed glass or HDPE
Flammability : Verify flash point with supplier SDS

Q: How much Ambrocenide should I use?
A: Very little. Pre-dilute to 10% and use 0.1–1% of the dilution in fine fragrance. Traces up to 2% maximum.

Q: Is Ambrocenide a liquid or solid?
A: It is a white crystalline solid. Dissolve it in DPG or ethanol before adding to your formula.

Q: Does it discolour soap or lotion?
A: No. It is very stable to light and heat and is well suited to soaps and functional bases.

Q: Is it vegan and cruelty-free as a material?
A: Yes. It is fully synthetic, making it an ethical alternative to natural ambergris.

Q: How does it compare to natural ambergris?
A: It gives a cleaner, drier, more linear amber-woody effect with far greater strength, consistency, and affordability than rare natural ambergris.

Professional formulation workflow

Ambrocenide should be evaluated in a controlled small batch before production. Confirm the supplied grade, active concentration and recommended application range from the current supplier documentation. Weigh accurately instead of measuring by drops, record every adjustment, and compare the modified trial against an unchanged control.

Compatibility and quality checks

Test the ingredient in the actual alcohol, oil, surfactant, emulsion or wax base intended for sale. Observe clarity, separation, color, odor and performance immediately after mixing and again after a suitable resting period. A material that looks stable in a concentrate can behave differently in the finished formulation.

Scale-up and safety

Convert percentages into exact batch weights and verify the final consumer-product concentration before scaling. Follow the latest applicable IFRA, cosmetic, chemical and supplier safety documentation for the intended category. Use appropriate protective equipment, ventilation and clearly labeled containers, and retain a sample from every approved batch for quality comparison.