Iso E Super Aroma Molecule
Iso E Super is one of the most important modern aroma molecules because it does not behave like a traditional note. Rather than shouting from the formula, it creates space around other materials, giving the whole composition a smoother and more dimensional feel. Its character is abstract, elegant, and quietly addictive, with a soft woody-amber signature that can feel clean, warm, mineral, and slightly musky depending on the formula. This is the kind of material perfumers reach for when they want a fragrance to feel more diffusive, modern, and professionally structured.
- Main impression: Transparent woody amber
- Supporting facets: Soft floral, ambergris, musky, mineral
- Drydown character: Smooth, velvety, modern, skin-like
- Used for: Diffusion, woody volume, amber structure, formula smoothing, modern 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: Transparent woody-amber with a soft, velvety texture.
- Secondary nuances: Subtle floral, ambergris-like, musky, mineral, and faintly aromatic facets.
- Texture: Smooth, dry, airy, and polished rather than rough or resinous.
- Diffusion: Radiant and spacious, especially when used as part of a woody, musky, or amber base.
- Tenacity: Long-lasting, with a soft background presence that can remain noticeable over time.
- Comparison anchor: Less natural and textured than cedarwood, less salty-mineral than Ambroxan, and softer than many dry woody materials.
Iso E Super Aroma Molecule smells abstract, modern, and transparent. On its own, it does not smell like a complete wood accord, but more like the polished aura around one. It suggests smooth pale woods, clean skin, soft amber, and a slightly floral-musky warmth. Its beauty is not loud or decorative. It works by making a formula feel wider, smoother, and more expensive.
Formulation & Creative Uses
What It Adds to Your Formula
- Diffusion: Helps a composition feel more spacious and radiating.
- Transparency: Adds structure without making the fragrance dense or heavy.
- Smoothness: Softens sharper edges in woods, ambers, musks, and aromatics.
- Modernity: Gives formulas a contemporary, abstract, polished character.
- Volume: Makes the base feel fuller without adding obvious sweetness.
- Elegance: Creates a clean woody-amber signature that blends easily across many fragrance styles.
What It Does Not Do
- It does not replace natural woods: It gives an abstract woody-amber effect, not the full texture of cedarwood, sandalwood, or patchouli.
- It does not add strong sweetness: It is not a gourmand, vanilla, or balsamic material.
- It does not create smoke or resin by itself: For smoky, incense, leather, or resinous effects, it needs support from other materials.
- It does not dominate immediately: Its effect is often more noticeable in the overall aura of the formula than as a direct top-note impression.
Creative Uses
Iso E Super is excellent for building modern woody bases, transparent amber structures, clean musks, masculine aromatics, and minimalist skin-scent compositions. It can soften lavender, citrus, and geranium in aromatic blends, add polish to sandalwood and cedarwood accords, and give floral compositions a more contemporary woody backbone. In gourmand or fruity formulas, it can reduce excessive sweetness by adding dry, elegant structure.
Creative Inspiration
Use Iso E Super to create a clean woody-musky base with Ambroxan and Ethylene Brassylate. Pair it with Bergamot Essential Oil and Hedione for a transparent citrus-floral structure. Combine it with Patchouli Essential Oil for a smoother, more modern woody depth. Use it with a Sandal Accord to create creamy woods with a soft, diffusive aura.
Common Applications
- Fine fragrance: Highly useful for modern woody, amber, musk, aromatic, floral, and skin-scent compositions.
- Candles & wax melts: Suitable where the final formula and IFRA limits allow; particularly useful for woody, musky, amber, spa, hotel, and minimalist candle profiles.
- Reed diffusers: Useful in woody and amber diffuser blends, subject to solubility, base compatibility, and IFRA limits.
- Room sprays: Can add soft woody diffusion and polish when compatible with the selected solvent system.
- Soaps & rinse-off products: Can support clean, woody, aromatic, and musky profiles within the relevant IFRA limits.
- Cosmetic fragrance bases: Suitable for use in formulated cosmetic fragrances where permitted by IFRA and final product safety assessment.
Usage, Dose & Performance
- Suggested starting dose: 1–5% of the fragrance concentrate for early trials.
- Trace use: Adds subtle polish, smoothness, and background diffusion.
- Moderate use: Gives a clear woody-amber structure and improves formula volume.
- High use: Can become a central part of the fragrance identity, especially in minimalist woody, amber, and musk compositions.
- Diffusion: Strong but smooth; it radiates without feeling sharp.
- Tenacity: Long-lasting, especially in base-heavy compositions.
- Blending behavior: Very flexible. It blends well with florals, musks, citrus, woods, ambers, aromatics, and soft gourmand structures.
- Overdose risk: Can make a formula feel too abstract, repetitive, or overly smooth if used without enough contrast.
Pairing Suggestions
Pairs well with aroma molecules
- Ambroxan: Adds mineral ambergris depth and a more sensual drydown.
- Hedione: Opens the formula with floral transparency and airy lift.
- Ethylene Brassylate: Enhances clean musky softness and skin-like diffusion.
- Cashmeran: Adds warmer musky-woody texture and a more sensual fabric-like feel.
- Dihydromyrcenol: Builds a fresh aromatic-woody masculine structure.
- Galaxolide: Creates a clean, soft, modern musk-wood base.
Pairs well with essential oils
- Bergamot Essential Oil: Adds sparkling citrus brightness over the smooth woody base.
- Lavender Essential Oil: Supports aromatic fougère and clean masculine directions.
- Patchouli Essential Oil: Adds earthy depth and a more natural woody contrast.
- Cedarwood Essential Oil: Gives a drier, more recognisable wood texture.
- Petitgrain Essential Oil: Adds green, bitter-citrus freshness and natural lift.
- Ylang Ylang Essential Oil: Creates an elegant floral-woody contrast with soft sensuality.
Pairs well with base accords
- White Musk Accord: Builds a clean, soft, skin-like structure.
- Ambergris Type Accord: Strengthens mineral amber warmth and long-lasting diffusion.
- Sandal Accord: Adds creamy wood softness and smoother depth.
- Leather Suede Accord: Gives modern woody support to soft leather compositions.
- Bergamot Accord: Creates a clean citrus-woody opening with elegant transparency.
- Amber Accord: Adds polish and diffusion to warm ambery structures.
Technical Data & IFRA Limits
- Commercial name: Iso E Super
- Synonyms: Iso Myrcetone, OTNE, Amber Fleur, Patchouli Ethanone
- INCI name: Tetramethyl Acetyl Octahydronaphthalenes
- IUPAC name: 1-(2,3,8,8-Tetramethyl-1,3,4,5,6,7-hexahydronaphthalen-2-yl)ethanone
- CAS number: 54464-57-2
- EC number: 259-174-3 / 915-730-3
- Chemical class: Aromatic ketone
- Material form: Oily liquid
- Flash point: 134°C
- Solubility: Soluble in alcohol; insoluble in water
- Allergen declaration: Iso E Super is listed under the expanded EU fragrance allergen requirements.
IFRA 51st Amendment Limits
- Fine fragrance: < 20%
- Body creams, oils and lotions: < 5.1%
- Soap and rinse-off products: < 2.4%
- Reed diffusers: < 2.4%
- Room sprays: < 6.6%
- Candles: < 100%
For other applications, please refer to the downloadable IFRA certificate. 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.
CLP Classification
- Signal word: Warning
- Hazard pictograms: GHS07, GHS09
- Hazard statements: H315, H317, H411
- Contains: Iso E Super
Stability & Handling
Iso E Super Aroma Molecule should be stored tightly sealed in its original container, away from heat, light, and prolonged air exposure. It is supplied as an oily liquid, so no pre-warming is normally required under standard storage conditions. Its discoloration potential is considered low, as the material is typically colourless to clear yellow and does not contain the usual strong discoloration drivers found in many gourmand, resinous, spicy, or highly aldehydic materials. Slight yellowing may still occur depending on dosage, base, heat exposure, oxidation, and storage conditions, so testing in the final application is recommended.
Safety & Testing
Iso E Super 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, Allergen 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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