Ethyl 2,3,6,6-tetramethylcyclohex-2-ene-1-carboxylate (CAS 77851-07-01) — Woody Base Note Fragrance Ingredient
Ethyl 2,3,6,6-tetramethylcyclohex-2-ene-1-carboxylate
CAS 77851-07-01
What Is Ethyl 2,3,6,6-tetramethylcyclohex-2-ene-1-carboxylate?
Ethyl 2,3,6,6-tetramethylcyclohex-2-ene-1-carboxylate is a synthetic fragrance ingredient used to add woody, amber-like nuances to perfumes. It’s found in premium body care products and niche fragrances. This molecule matters because it creates sophisticated dry-down effects, enhancing longevity without overpowering other notes.
Safety Profile
GENERALLY SAFEWhat Does Ethyl 2,3,6,6-tetramethylcyclohex-2-ene-1-carboxylate Smell Like?
This synthetic molecule opens with a crisp, woody-green character reminiscent of freshly split cedar planks. As it evolves, the scent reveals a warm, slightly sweet amber undertone, like sun-warmed tree resin. The dry-down is smooth and persistent, with a subtle musky nuance that blends seamlessly with other base notes.
Chemistry, Properties & Perfumer Guide
The Chemistry
Ethyl 2,3,6,6-tetramethylcyclohex-2-ene-1-carboxylate is a synthetic ester derived from modified cyclohexene structures. Its production typically involves Diels-Alder reactions followed by esterification. The tetramethyl substitution pattern creates steric hindrance that contributes to its unique odor profile and stability in formulations.
Physical & Chemical Properties
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-5% | Up to 10% | Adds woody-amber depth |
| Body Care | 0.5-2% | Up to 3% | Enhances longevity |
Classic Accords
Tip: Use with citrus top notes to create contrast and complexity.
Alternatives & Comparisons
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No current IFRA restrictions.
RIFM Assessment
Not currently assessed by RIFM.
Sustainability
As a synthetic material, this ingredient avoids natural resource depletion. Production should follow green chemistry principles to minimize environmental impact.
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