Ethylene Brassylate Aroma Molecule
Ethylene Brassylate is one of the most appreciated musks in modern perfumery because it feels soft, elegant, and highly wearable. Its profile is not loud or animalic. Instead, it creates a smooth musky background with subtle sweetness, powdery comfort, and a delicate skin-like warmth. It is especially useful when a formula needs a long-lasting musk base that feels refined, natural, and easy to blend across many fragrance styles.
- Main impression: Soft clean musk
- Supporting facets: Powder, skin, sweet warmth, cosmetic softness
- Drydown character: Smooth, elegant, gentle, long-lasting
- Used for: Musk base, soft fixation, powdery comfort, formula rounding, skin-scent effects
Please note
This is a single aroma molecule / raw perfumery material, not a finished perfume or fragrance oil. It is intended for formulation work and must not be applied directly to the skin undiluted. Aroma molecules are powerful materials that may behave differently depending on dosage, solvent system, wax, diffuser base, cosmetic base, temperature, and the full composition. Always test in your intended application before production.
Full safety, allergen, IFRA, and technical information is provided in the SDS, IFRA Certificate, and Allergen Declaration available in the “Related Documents” tab. Compliance and documentation of the final product remains the responsibility of the manufacturer.
Packaging note: 10g sizes are supplied in PET bottles for affordable small-quantity access. Production sizes from 50g upwards are supplied in premium aluminium bottles for improved long-term protection. Read more
Olfactive Profile
- Primary character: Soft clean musk with a refined powdery sweetness.
- Secondary nuances: Skin-like warmth, cosmetic softness, delicate sweetness, and gentle waxy-musky depth.
- Texture: Smooth, rounded, soft, and elegant rather than sharp, metallic, or detergent-like.
- Diffusion: Moderate and airy, with a gentle musky presence.
- Tenacity: Long-lasting, making it useful for base construction and drydown softness.
- Comparison anchor: Softer and more elegant than Galaxolide, less radiant than Ambroxan, and less woody than Iso E Super.
Ethylene Brassylate Aroma Molecule smells clean, musky, and quietly sweet, with a soft powdery warmth that feels close to skin. It does not create a harsh laundry musk effect or an animalic musk direction. Instead, it gives the impression of clean fabric, warm skin, soft powder, and refined cosmetic comfort. Its strength is subtle but important: it makes a formula feel smoother, longer-lasting, and more complete.
Formulation & Creative Uses
What It Adds to Your Formula
- Musk base: Builds a soft, elegant musky foundation.
- Fixation: Supports a longer-lasting and more rounded drydown.
- Softness: Smooths florals, woods, ambers, fruits, and gourmand materials.
- Powdery comfort: Adds a gentle cosmetic softness without heaviness.
- Skin-like warmth: Creates a subtle intimate drydown effect.
- Blendability: Helps connect different fragrance families into a more cohesive structure.
What It Does Not Do
- It does not create a dirty musk effect: It is clean, soft, and elegant rather than animalic.
- It does not add strong projection: It is more about softness, comfort, and longevity than explosive diffusion.
- It does not replace all musks: It works beautifully as part of a musk system, especially with cleaner or more radiant musks.
- It does not create strong sweetness: Its sweetness is soft and musky, not gourmand or sugary.
Creative Uses
Ethylene Brassylate Aroma Molecule is excellent for white musks, powdery florals, skin scents, soft woods, clean ambers, cosmetic-style fragrances, creamy gourmands, and elegant floral bases. It can soften jasmine, rose, violet, ylang ylang, and orange blossom, make woody materials feel smoother, and add comfort to vanilla, rice, almond, or lactonic structures. In home fragrance, it works beautifully in linen, spa, hotel, clean powder, and soft comfort directions.
Creative Inspiration
Use Ethylene Brassylate with Galaxolide 50 DPG for a fuller clean musk base with both softness and familiar laundry comfort. Pair it with Hedione MDJ for airy floral-musk transparency. Combine it with Vanillin or Coumarin for a soft powdery gourmand drydown. Use it with Iso E Super for a modern wood-musk structure that feels clean, smooth, and skin-like.
Common Applications
- Fine fragrance: Useful in white musks, skin scents, powdery florals, soft woods, clean ambers, and cosmetic-style perfumes.
- Candles & wax melts: Suitable where the final formula allows; especially useful for linen, spa, powder, musk, hotel, and soft floral candle profiles.
- Reed diffusers: Useful for musky body and long-lasting softness, subject to base compatibility.
- Room sprays: Adds clean musky comfort and a soft lingering background.
- Soaps & rinse-off products: Can support clean, musky, powdery, floral, and cosmetic-style profiles.
- Cosmetic fragrance bases: Suitable for formulated cosmetic fragrances where permitted by IFRA and final product safety assessment.
Usage, Dose & Performance
- Suggested starting dose: 2–10% of the fragrance concentrate for early trials.
- Trace use: Adds subtle softness and smoother drydown.
- Moderate use: Builds a clear musky base and improves formula comfort.
- High use: Can become a major part of the fragrance identity in musk, powder, skin-scent, and clean compositions.
- Diffusion: Moderate, soft, and airy rather than sharp.
- Tenacity: Long-lasting, with strong value in base construction.
- Blending behavior: Works well with florals, musks, woods, ambers, vanillas, lactones, fruits, clean notes, and powdery materials.
- Overdose risk: Can make a formula feel too soft, muted, or overly rounded if not balanced with lift, contrast, or texture.
Pairing Suggestions
Pairs well with aroma molecules
- Galaxolide 50 DPG: Builds a fuller clean musk base with familiar laundry softness.
- Hedione MDJ: Adds airy floral lift and transparent diffusion.
- Iso E Super: Gives modern woody volume and a smooth skin-like structure.
- Ambroxan: Adds mineral amber warmth and more persistent sensual depth.
- Vanillin: Creates a soft creamy musk with gentle gourmand warmth.
- Coumarin: Adds powdery tonka warmth and a classic musky drydown.
Pairs well with essential oils
- Lavender Essential Oil: Creates soft aromatic cleanliness and powdery comfort.
- Bergamot Essential Oil: Adds fresh citrus lift over the musky base.
- Geranium Essential Oil: Gives rosy-clean body and cosmetic floral softness.
- Amyris Essential Oil: Adds gentle woody warmth and creamy drydown support.
- Neroli Essential Oil: Builds a refined white-floral musk with skincare elegance.
- Cypress Essential Oil: Adds crisp green freshness for clean linen and fresh-air accords.
Pairs well with base accords
- White Musk Accord: Strengthens the clean musky signature and skin-like comfort.
- Jasmine Flower Accord: Creates a soft floral-musk heart with elegant diffusion.
- Rice Accord: Adds milky powdery comfort and delicate softness.
- Sandal Accord: Builds a creamy woody-musk drydown.
- Bergamot Accord: Adds fresh citrus brightness over the musk base.
- Tea Green Accord: Creates a clean botanical musk with soft transparency.
Technical Data & IFRA Limits
- Commercial name: Ethylene Brassylate
- Synonyms: Musk T
- INCI name: Ethylene Brassylate
- IUPAC name: 1,4-Dioxacycloheptadecane-5,17-dione
- CAS number: 105-95-3
- EC number: 203-347-8
- FEMA number: 3543
- Chemical class: Macrocyclic musk
- Material form: Liquid
- Flash point: 110°C
- Solubility: Soluble in alcohol; insoluble in water
- Allergen declaration: No listed EU fragrance allergens declared.
IFRA 51st Amendment Limits
- Fine fragrance: < 100%
- Body creams, oils and lotions: < 100%
- Soap and rinse-off products: < 100%
- Reed diffusers: < 100%
- Room sprays: < 100%
- Candles: < 100%
No IFRA restriction is listed for this material under the 51st Amendment information supplied. IFRA percentages are maximum permitted levels, not recommended usage levels. The final product manufacturer is responsible for checking the correct IFRA category, calculating the final concentration, and confirming suitability in the intended application.
Stability & Handling
Ethylene Brassylate should be stored tightly sealed in its original container, at a maximum of 25°C, away from heat, light, and prolonged air exposure. It is supplied as a liquid, so no pre-warming or dilution is normally required before use, although it may feel slightly dense compared with lighter aroma materials. Its discoloration potential is considered low, as the material is colourless to pale yellow and is not known as a strong discoloring ingredient. Testing is still recommended in pale waxes, clear bases, and white or pastel formulations.
Safety & Testing
Ethylene Brassylate Aroma Molecule is a raw fragrance material for formulation use. It is not a finished perfume and must not be applied directly to the skin undiluted.
Always review the SDS, IFRA Certificate, Cosmetics Declaration, and Technical Data Sheet before use. Test the material in the intended base before production, as performance may vary depending on dosage, solvent system, wax type, diffuser base, surfactant system, pH, processing temperature, and packaging.
Final product safety, labelling, IFRA compliance, CLP classification, allergen declaration, cosmetic assessment, and market compliance remain the responsibility of the final product manufacturer.
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