✦ 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.

Bio Shop Pakistan 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.