Ambroxan

✦ Synthetic aroma chemical inspired by natural ambergris — cruelty-free and sustainable alternative to animal-derived ingredients
✦ Delivers a warm, woody, ambery, skin-like scent with a slightly marine and mineral character
✦ Extremely low odor threshold — active at concentrations as low as 0.02 ppb, making it highly cost-effective
✦ Known as the star ingredient in Escentric Molecules Molecule 02 and a key component in Dior Sauvage
✦ Exceptional fixative — anchors and extends lighter top and mid notes throughout the dry-down
✦ Versatile across alcoholic perfumes, attars, body care, hair care, and home fragrance
✦ Vegan and cruelty-free — produced via synthesis without any animal-derived raw materials

Ambroxan is a synthetic polycyclic musk-amber compound first developed as a laboratory alternative to ambergris, the rare secretion of the sperm whale that was historically prized in fine perfumery. Natural ambergris contains ambrein, which oxidizes over time to produce Ambroxide, the compound that Ambroxan synthetically replicates. The commercial development of Ambroxan allowed perfumers to access this remarkable olfactory profile without relying on a protected and scarce natural source.

What sets Ambroxan apart from other base materials is its unique combination of radiance, tenacity, and skin-affinity. It does not just sit quietly in a formula — it amplifies the materials around it and creates what perfumers describe as a luminous, skin-close warmth. Its effect on skin chemistry is genuinely distinctive: it interacts with individual skin odors to produce a scent that feels personal and intimate. This property, combined with its ability to project softly while lingering for hours, has made it one of the most used aroma chemicals in contemporary perfumery.

Rabibazaar supplies cosmetic-grade Ambroxan suitable for DIY perfumers, professional beauty formulators, attar blenders, and home fragrance crafters seeking to build modern, long-lasting, and skin-friendly compositions.

SCENT DESCRIPTION : Ambroxan opens with a clean, dry warmth that feels almost mineral and slightly marine at first contact. As it settles, a rich woody-amber character emerges — smooth, powdery at the edges, and unmistakably skin-like. There is a softness to it that bridges the gap between a woody base and a clean musk. On skin, it deepens and personalizes, creating a scent that feels as though it belongs to the wearer.

NOTE POSITION : Base (occasionally Mid-Base in high concentrations)

FRAGRANCE FAMILY : Woody Amber · Musky · Marine Amber

FACETS : Warm · Woody · Ambery · Skin-Like · Marine

TENACITY : Very High — 24 to 36 hours on skin, 48+ hours on fabric

SILLAGE : Medium-High — projects a personal, close-to-skin sillage cloud; not loud but deeply persistent and distinctive

Chemical Name : Dodecahydro-3a,6,6,9a-tetramethylnaphtho[2,1-b]furan
CAS Number : 6790-58-5
Synonyms : Ambroxide, Ambrox DL, Cetalox, Habanolide (verify distinct from), Tetrahydronaphtho furan
Purity % : 95% minimum (cosmetic / perfumery grade)
Appearance : White to off-white crystalline solid at room temperature; colorless liquid above 75°C
Odor Threshold : Approximately 0.02 ppb — verify with supplier
Solubility : Freely soluble in ethanol, IPM, DPG, and carrier oils; practically insoluble in water
Specific Gravity : Approximately 1.01 g/cm³ at 20°C — verify with supplier
Flash Point : Approximately 135°C (open cup) — verify with supplier
Type : Synthetic

Fine Fragrance ★★★★★
Ambroxan is a cornerstone of modern fine fragrance. It functions both as a standalone feature note and as a powerful fixative that extends and amplifies other materials. Use at 1 to 10% in EDP and EDT builds; higher concentrations create the signature Molecule 02 skin-scent effect.

Attar and Oriental Blending ★★★★★
In attar and oriental compositions, Ambroxan adds a clean, modern warmth that balances heavy resins, ouds, and musks. It prevents compositions from becoming too dense or dated by adding radiance and lift to the base. Pair with natural sandalwood, aged oud, or labdanum for exceptional depth.

Functional Fragrance ★★★★
Ambroxan performs reliably in rinse-off and leave-on functional products including body washes, lotions, and hair care. Its tenacity ensures fragrance survival through rinsing and drying. Use at 0.5 to 2% in these applications for a clean, lasting skin-scent effect.

Cosmetics ★★★★
In skin creams, serums, and hair conditioners, Ambroxan adds an elegant warm-skin background to the fragrance component. It is stable in most cosmetic bases and well-tolerated at standard usage levels. Contributes to the overall luxury perception of premium cosmetic products.

Home Fragrance ★★★★
Ambroxan anchors reed diffuser blends and candle fragrances with a warm amber base. Its high flash point makes it suitable for most candle applications. Use at 5 to 15% in reed diffusers for a clean, woody-amber ambient scent.

Recommended Usage Rates by Application

EDP : 1% to 10%
EDT : 0.5% to 5%
Body Lotion : 0.5% to 3%
Shampoo/Body Wash : 0.3% to 1.5%
Candle : 3% to 8%
Reed Diffuser : 5% to 15%
Soap : 0.5% to 2%

IFRA 51st Amendment Status

Ambroxan (CAS 6790-58-5) is included on the IFRA positive list with no quantitative restriction across standard use categories under the 51st Amendment. It is not classified as a restricted or prohibited material.

⚠ Always confirm the latest IFRA amendment status directly at ifrafragrance.org before commercial formulation.
⚠ At very high concentrations (above 15%), some individuals may experience headaches or mild sensitization. Stay within recommended usage ranges.
⚠ Ambroxan is a solid at room temperature. Always dissolve completely in a suitable solvent before adding to your formula.

Method 1 — Direct Dissolution in Alcohol
Weigh your Ambroxan crystals and add them directly to your perfumers alcohol. Warm the alcohol gently to 40 to 50°C while stirring until fully dissolved. Allow to cool before adding other materials. Do not exceed 80°C as this may cause volatility loss.

Method 2 — Pre-Dilution in Carrier
Dissolve Ambroxan in a warm carrier such as DPG or IPM at a ratio of 10% Ambroxan to 90% carrier. This creates a ready-to-use liquid dilution that blends easily into both alcohol and oil-based formulas without heating. Ideal for formulators who work frequently with this material.

Method 3 — Attar and Oil Blending
In oil-based perfumery, melt Ambroxan crystals gently in a water bath and blend directly into your fixed oil or base attar while both are warm. Allow to cool slowly. The resulting blend will be smooth and homogenous.

BEST PAIRINGS

Iso E Super → Intensifies the woody radiance; creates a smooth, forest-skin effect
Hedione → Adds floral transparency and diffusion; lifts the composition
Galaxolide → Rounds out the musk profile; adds softness and clean warmth
Cashmeran → Contributes cashmere-like softness; creates a plush, enveloping base
Sandalwood EO → Adds creamy, milky depth; perfect for luxurious skin-scent bases
Vetiver EO → Earthy and smoky counterpoint; adds complexity and masculinity
Labdanum Abs. → Deepens the amber quality; creates rich, resinous oriental bases
Cistus EO → Adds honey and leather nuance; excellent for animalic amber accords

AVOID

Avoid combining Ambroxan with high concentrations of phenolic materials such as Eugenol above 5% as the combination can produce harsh or medicinal undertones. At overall formula concentrations above 20%, Ambroxan may become cloying or headache-inducing for sensitive individuals.

I have worked with Ambroxan in hundreds of formulas and it never stops surprising me. It is one of the few aroma chemicals that does not simply add a scent — it changes the character of everything around it. When I add even 1% to a woody oriental, the whole formula seems to breathe. There is an intimacy to it that I cannot fully explain rationally. It makes a fragrance feel lived-in, personal, and warm in a way that no other synthetic achieves quite so effortlessly. It is the material I reach for when a formula is technically correct but emotionally flat.

ADVANCED TIP : Try using Ambroxan at two different concentration tiers within the same formula — place 2% as part of your base accord for fixation, and add a separate 3 to 5% as a feature note in your heart. This layered approach creates a multi-dimensional amber presence that unfolds differently during the top, heart, and dry-down phases of the fragrance. Combine this with a small amount of Hedione at 5% to create a radiant, skin-transparent effect that makes the whole composition feel luminous and close to skin.

Physical State : White crystalline solid at room temperature; melts at approximately 74 to 76°C
Skin Safety : Generally safe at recommended concentrations; patch test advised for leave-on products at higher usage rates
Eye Contact : Avoid direct contact; rinse thoroughly with water if contact occurs
Ingestion : Not for consumption; keep out of reach of children
Ventilation : Work in a well-ventilated area when handling in large quantities or in molten form
Storage : Store in a cool, dry place away from direct sunlight and heat sources
Shelf Life : 3 to 5 years when stored correctly in sealed original container
Container : HDPE or glass container; keep tightly sealed to prevent contamination
Flammability : Flash point approximately 135°C; classified as a combustible solid — keep away from open flame when in crystalline form

Q: What is Ambroxan and why is it so popular in modern perfumery?
A: Ambroxan is a synthetic aroma chemical that replicates the warm, woody, skin-like scent of natural ambergris. It became essential in modern perfumery because of its exceptional tenacity, extremely low odor threshold, and unique ability to interact with skin chemistry to create a personal scent signature.

Q: How do I dissolve Ambroxan crystals in my perfume formula?
A: Warm your perfumers alcohol or carrier oil to 40 to 50°C and add the crystals with gentle stirring until fully dissolved. Alternatively, pre-dilute in warm DPG or IPM at 10% concentration for a ready-to-use liquid form that blends easily without heating.

Q: Why can some people not smell Ambroxan even at high concentrations?
A: Ambroxan is one of the most well-documented cases of specific anosmia in perfumery. A significant percentage of the population — estimated at 30 to 50% — has reduced or no ability to perceive its scent. This is a genetic trait and does not indicate a problem with your formula or ingredient.

Q: Is Ambroxan safe to use in skin care and leave-on products?
A: Yes, Ambroxan is considered safe in leave-on cosmetics at standard usage rates. It is included on the IFRA positive list without quantitative restriction for most categories. Always stay within recommended usage rates and conduct a patch test when formulating for sensitive skin products.

Q: How does Ambroxan compare to natural ambergris?
A: Natural ambergris is an extremely rare animal-derived material with a more complex, unpredictable, and slightly fecal-animalic character before it weathers into its classic warm-amber profile. Ambroxan isolates the clean, woody, warm-skin facet of aged ambergris with far greater consistency, safety, and availability. For practical formulation purposes, Ambroxan delivers the most desirable aspect of ambergris — its radiant skin-scent warmth — without the cost, rarity, or ethical concerns associated with the natural material.

Professional formulation workflow

Ambroxan 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.