Formic acid, reaction products with boron trifluoride and [1S-(1,3a,4,8a)]-decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene (CAS 68855-38-9) — Woody Base Note Fragrance Ingredient
Formic acid, reaction products with boron trifluoride and [1S-(1_,3a_,4_,8a_)]-decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
CAS 68855-38-9
What Is Formic acid, reaction products with boron trifluoride and [1S-(1_,3a_,4_,8a_)]-decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene?
This synthetic fragrance ingredient is a specialized chemical compound used in high-end perfumery. It’s typically encountered in niche fragrances where complex woody-amber accords are desired. The ingredient matters for creating sophisticated, long-lasting base notes that evolve beautifully on skin over time.
Safety Profile
PROFESSIONAL USEWhat Does Formic acid, reaction products with boron trifluoride and [1S-(1_,3a_,4_,8a_)]-decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene Smell Like?
This complex synthetic molecule delivers a powerful woody-ambergris character with deep resinous undertones. The scent evolves from an initial sharp, almost metallic top note to a warm, animalic heart reminiscent of aged amber. The dry-down reveals a sophisticated woody-musky character that persists for hours, adding depth and tenacity to fragrance compositions.
Chemistry, Properties & Perfumer Guide
The Chemistry
This compound is a boron trifluoride-catalyzed reaction product of formic acid with a specific decahydromethanoazulene derivative. The synthesis creates a complex mixture of isomers with varying olfactory properties. The boron trifluoride catalyst enables the formation of unique molecular structures not found in nature.
Physical & Chemical Properties
| Appearance | Viscous liquid |
|---|---|
| Color | Amber to dark brown |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.1-0.5% | Up to 1% | Powerful base note modifier |
| Functional Fragrance | 0.01-0.1% | Up to 0.2% | Used sparingly for depth |
Classic Accords
Tip: Use in trace amounts to avoid overwhelming compositions.
Alternatives & Comparisons
A more widely available synthetic amber alternative with better safety profile.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No specific IFRA restrictions. Follow general guidelines for boron-containing compounds.
GHS Classification
RIFM Assessment
Not currently evaluated by RIFM. Use with caution.
Sustainability
As a synthetic material, production is controlled but requires specialized chemical processes. The boron trifluoride catalyst requires careful handling and disposal.
Explore Formic acid, reaction products with boron trifluoride and [1S-(1_,3a_,4_,8a_)]-decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
Browse essential oils and aroma compounds.
Browse on iHerb →Affiliate disclosure: we may earn a small commission at no extra cost to you.
Ingredient Data Sheet
CAS 68855-38-9Physical data: PubChem (NIH/NLM), U.S. EPA CompTox Dashboard, EPA OPERA models, RDKit. Odor & flavor: Arctander (Perfume & Flavor Chemicals), Fenaroli's Handbook of Flavor Ingredients, Leffingwell. Thresholds: van Gemert (Compilations of Odour Threshold Values). Regulatory: IFRA Standards 51st, FEMA GRAS. Trade names: Surburg (Common Fragrance & Flavor Materials). All data compiled and cross-referenced for perfumertools.com.
