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ISO E Super® – Woody-Cedar Molecule | Perfumery Raw Material
ISO E Super® – Woody-Cedar Molecule | Perfumery Raw Material
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ISO E Super® by IFF
Woody-cedar molecule for professional perfumery
ISO E Super® is no obscure raw material.
It is the molecule that carries a world-famous niche fragrance all on its own – a composition built from a single ingredient that nonetheless sells in the millions.
That says more about ISO E Super® than any technical description.
IFF's woody-cedar molecule has been among the most widely used raw materials in perfumery for decades – in niche and mainstream, in women's and men's fragrances, in base and structural accords. It rarely takes center stage. Often it is the reason a composition works at all.
ISO E Super® reshapes a formula through volume, projection and a characteristic halo effect: at low dosages it is barely perceptible – and yet changes everything. At high concentrations: a dry, almost animalic woody signature. Unmistakable.
Odor profile of ISO E Super®
ISO E Super® is commonly perceived as:
- dry cedarwood
- velvety woodiness
- warm mineral facets
- floral-woody nuances
- a light ambery depth
- subtle skin warmth
- animalic warmth at high dosages
- a long-lasting drydown
The scent reads dry, warm and clearly contoured. Pronounced sweetness or heavy woody notes are not in the foreground. The effect is perceived less as a single note – more as an added dimension: more space, more warmth, more presence.
What is ISO E Super® used for in perfumery?
- building woody and cedar accords
- improving tenacity and substantivity
- enhancing diffusion and projection
- building a woody-cedar base
- supporting woody, amber and musk compositions
- refining the drydown
- adding depth and volume
- creating a skin-close woody effect
- fine fragrance and niche perfumery
- body care, deodorants, shampoo and soaps
One of the best-known properties of ISO E Super® is the halo effect: even small amounts markedly influence the perception of depth and tenacity – without the material itself standing in the foreground. After its addition a composition often seems not louder, but more velvety, warmer and longer-lasting.
ISO E Super® can be used both as a fixative and as a character-defining element. At low dosages it supports tenacity, spatial impact and cohesion. At higher dosages it shapes the composition with dry woodiness and a distinctive woody-cedar signature.
Synthetic origin
ISO E Super® is produced synthetically by IFF and belongs to the group of iso-cyclo compounds. The product is stabilized with 0.15% tocopherol.
Physico-chemical properties
| Property | Value |
|---|---|
| Manufacturer | IFF (International Flavors & Fragrances) |
| Product name | ISO E Super® |
| IUPAC name | 7-acetyl-1,8-octahydro-1,1,6,7-tetramethylnaphthalene |
| Fragrance family | woody / cedary / floral / ambery |
| Perfumery role | base note, fixative, diffusion enhancer, woody-cedar structural material |
| Material form | slightly viscous, colorless to pale-yellow liquid |
| Molecular formula | C₁₆H₂₆O |
| Molecular weight | 234.4 g/mol |
| Density at 20°C | 0.961–0.967 g/ml |
| Refractive index nD20 | 1.4970–1.5010 |
| Flash point | 110°C |
| Vapor pressure | 0.0002 hPa |
| Boiling point | 290°C (typ.) |
| Solubility | soluble in ethanol; poorly soluble in water |
| Stabilization | 0.15% tocopherol |
| Storage | cool, dry, protected from light; max. 24 months |
| CAS no. | 54464-57-2 / 68155-66-8 |
| EINECS | 259-174-3 / 268-978-3 |
| FEMA no. | 3746 |
| Customs tariff no. | 2914290090 |
| IFRA status | compliant, no quantity restrictions |
Hazard Information (CLP Labelling)
Signal word: Warning
Hazard statements (H):
H317 – May cause an allergic skin reaction.
H410 – Very toxic to aquatic life with long lasting effects.
Precautionary statements (P):
P273 – Avoid release to the environment.
P280 – Wear protective gloves.
P302+P352 – IF ON SKIN: Wash with plenty of water.
P333+P313 – If skin irritation or rash occurs: Get medical advice/attention.
P391 – Collect spillage.
P501 – Dispose of contents and container in accordance with local and national regulations.
Substance: ISO E Super® (CAS 54464-57-2). The relevant CLP hazard-labelling elements (pictograms, signal word, H and P statements) pursuant to Regulation (EC) No 1272/2008 (CLP), as amended, are reproduced here in full. The legally binding labelling appears on the packaging.
Important note
This product is a perfumery raw material intended exclusively for fragrance development, creative experimentation, education and the study of perfumery materials.
It is not a finished cosmetic product.
Please use responsibly.
ISO E Super® – The complete reference for perfumers →