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Fragrance allergens › Tetramethyl Acetyloctahydronaphthalenes
Tetramethyl Acetyloctahydronaphthalenes (CAS 54464-57-2) is one of the fragrance allergens the European Union requires to be named on a label once it passes a threshold. It is rarely something you added on purpose: 24 materials in this catalog carry it as a constituent, which is how a formula ends up over the line without a single line item admitting to it.
How much Tetramethyl Acetyloctahydronaphthalenes can go in a perfume (IFRA limit)
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dsm-firmenich's own OTNE article, made by green synthesis with more than half renewable carbon. Suppliers describe a woody, velvety amber note that gives fullness and strength to any fragrance: a smooth delicate cedarwood with ambery, powdery and violet undertones. It holds about a week on a smelling strip. Reseller copy and user reports call it deeper and more bottom-heavy than Iso E Super, so it is used as a base volumiser and fixative rather than for the airy woody lift.
It is a material in its own right, not only a line on a label: its catalog page carries the full profile.
0 of the 30 carriers in this catalog are naturals and 30 are synthetic. The heaviest carrier that is not the molecule itself is Miraclewood, at about 67%.
| Material | Estimated content |
|---|---|
| Iso E Super the material itself | 100% |
| Sylvamber the material itself | 100% |
| Timbersilk the material itself | 100% |
| Amber Gamma the material itself | 100% |
| Orbitone T Neo the material itself | 100% |
| Anthamber the material itself | 100% |
| Miraclewood | 67% |
| W-Wood (F-TEC) | 30% |
| Male Woodsy (F-TEC) | 25% |
| White Oak (F-TEC) | 20% |
| Wood Smoke (F-TEC) | 20% |
| Y-Mossy (F-TEC) | 20% |
| Iris (F-TEC) | 15% |
| Labdanum (F-TEC) | 15% |
| Cashmeran Velvet | 15% |
| Blackwood Base 199939 RF17 | 15% |
| Sandalwood (F-TEC) | 12% |
| Vetiver (F-TEC) | 12% |
| Ionone Fruity (F-TEC) | 10% |
| Naturelle Homme (F-TEC) | 10% |
| Sandalwood Base | 10% |
| Oud Oliffac | 9.5% |
| Chypre (F-TEC) | 8.0% |
| Root (F-TEC) | 6.0% |
| White Musk (F-TEC) | 5.0% |
| X-Musk (F-TEC) | 5.0% |
| L-Linalool (F-TEC) | 3.0% |
| Apple Green | 0.85% |
| Thixener X 300 | 0.55% |
| Arabian Oud (F-TEC) | 0.01% |
Estimates from typical published compositions, not a certificate of analysis for your bottle. A supplier's own figures always win.
PerfuMate totals these across a whole formula while you compose, counting the same molecule arriving from several materials at once, and writes the declaration for the back of the bottle. Start a formula, free. No account needed.
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