Iso E Super
Iso E Super is a synthetic fragrance ingredient with a soft woody, amber-like quality and velvety sillage. While its scent is understated, it significantly enhances the spatiality, complexity, and longevity of a fragrance, making it an indispensable structural ingredient in modern perfumes and cosmetic fragrances.
Type
Woody
The fragrance is soft, clean, and slightly warm amber-like, accompanied by a subtle powdery and leathery dryness. Overall, it is understated yet highly enveloping and diffused.
Acquisition Methods
Chemical synthesis
Iso E Super is obtained entirely through chemical synthesis and is a highly engineered aroma molecule designed to provide stable and controllable diffusion and longevity.
Basic Information
| English Name | Iso E Super |
| Common Industry Name | Iso E Super (Trade Name) |
| Chemical Category | Polycyclic Synthetic Fragrance (Wood Amber Type) |
| Molecular Formula | C₁₆H₂₆O |
| Molecular Weight | 234.38 g/mol |
| CAS Number | 54464-57-2 |
| Appearance | Colorless to pale yellow transparent liquid |
Technical Data
| Boiling point | Approx. 270–273 °C |
| Melting point | < −20 °C |
| Flash point | Approx. 135 °C |
| Density (20 °C) | Approx. 0.95 g/cm³ |
| Solubility | Easily soluble in ethanol, highly compatible with most essential oil systems |
| Stability | Excellent thermal and light stability, suitable for long-term storage and industrial applications. |
Chemical Structure
Fragrance Characteristics
| Fragrance Characteristics | Soft woody, amber-like, clean, slightly powdery, and leathery dryness |
| Fragrance Family | Middle to Base |
| Common Pairings | Bergamot, Hedione, Ambroxan, Cedarwood accords, Musk accords |
| Applications | Perfumes (modern woody, minimalist fragrances), daily chemical fragrances (baby care, fabric care, cleaning products), high-end home fragrances |
Safety and Compliance
| IFRA Guidelines | Iso E Super is an ingredient permitted by IFRA, with relatively lenient restrictions. |
| Stability | Very stable, suitable for B2B projects with high product consistency requirements. |
| Allergy Risk | Low allergy risk; usually not on the EU’s list of high-risk sensitizing fragrances requiring mandatory labeling (subject to the latest regulations). |
Application Highlights
- Significantly enhances diffusion and spatial depth.
- Makes the formula “smell more expensive,” but without being overtly so.
- Can be used as an aroma amplifier and structural stabilizer.
- Almost an “infrastructure-level” ingredient in modern perfumery.
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