6,10-Dioxaspiro[4.5]decane, 8,8-dimethyl-7-(1-methylethyl)- (CAS 62406-73-9) — Woody Base Note Fragrance Ingredient
6,10-Dioxaspiro[4.5]decane, 8,8-dimethyl-7-(1-methylethyl)-
CAS 62406-73-9
What Is 6,10-Dioxaspiro[4.5]decane, 8,8-dimethyl-7-(1-methylethyl)-?
6,10-Dioxaspiro[4.5]decane is a synthetic fragrance ingredient used in modern perfumery to add woody, spicy, or ambery nuances. It’s typically found in fine fragrances and personal care products where a sophisticated base note is desired. This molecule matters because it helps perfumers create complex scent profiles with excellent longevity, often serving as a subtle backbone in oriental and woody compositions without overpowering other notes.
Safety Profile
GENERALLY SAFEWhat Does 6,10-Dioxaspiro[4.5]decane, 8,8-dimethyl-7-(1-methylethyl)- Smell Like?
This synthetic molecule presents a nuanced woody-spicy character with subtle ambery undertones. The opening reveals a crisp, almost ozonic freshness that quickly transitions into a warm heart reminiscent of aged cedarwood with a whisper of cardamom. As it dries down, it develops a sophisticated musk-like persistence that blends seamlessly with oriental accords. The overall effect is like polished antique wood furniture in a sunlit library – warm, refined, and slightly mysterious.
Chemistry, Properties & Perfumer Guide
The Chemistry
6,10-Dioxaspiro[4.5]decane belongs to the spirocyclic ether class of compounds, characterized by their unique oxygen-containing ring systems. These structures are typically synthesized through acid-catalyzed cyclization reactions of appropriate diols or epoxy compounds. The specific substitution pattern on this molecule creates steric hindrance that influences its volatility and odor profile. While not found in nature, its structural motifs resemble certain degraded terpenoids found in aged wood resins.
Physical & Chemical Properties
| Molecular Weight | Not available |
|---|---|
| Boiling Point | Not available |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-3% | Up to 5% | Used as base note fixative |
| Body Care | 0.5-1.5% | Up to 2% | Adds warmth to lotions |
| Home Fragrance | 2-4% | Up to 6% | Long-lasting woody note |
Classic Accords
Tip: Use to add depth and longevity to woody compositions without excessive sweetness.
Alternatives & Comparisons
More widely available woody-amber with similar fixative properties but stronger projection.
Offers comparable woody character with additional cedar-like facets for more natural effects.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not currently restricted by IFRA standards
RIFM Assessment
No specific RIFM assessment found for this material.
Sustainability
As a synthetic material, this compound avoids the environmental impact of harvesting natural materials. However, its production requires petrochemical feedstocks and energy-intensive processes. The fragrance industry is increasingly evaluating such materials for greener synthesis routes while maintaining their performance benefits in sustainable fragrance design.
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