Decanoic acid, ester with 1,2,3-propanetriol octanoate (CAS 65381-09-01) — Sweet Base Note Fragrance Ingredient
Decanoic acid, ester with 1,2,3-propanetriol octanoate
CAS 65381-09-01
What Is Decanoic acid, ester with 1,2,3-propanetriol octanoate?
This synthetic ester compound is primarily used in industrial fragrance applications and specialty cosmetic formulations. Consumers may encounter it in long-lasting body creams or as a fixative in some perfumes. While not a common household name, it plays a technical role in stabilizing fragrance blends and modifying texture in personal care products.
Safety Profile
GENERALLY SAFEWhat Does Decanoic acid, ester with 1,2,3-propanetriol octanoate Smell Like?
This ester blend presents a neutral fatty-waxy character with subtle coconut undertones that emerge during dry-down. The initial impression is clean and almost odorless, developing into a faintly sweet, lactonic background after several hours. Its primary function is as a texture modifier rather than an olfactive contributor, though it can subtly round out harsh citrus top notes.
Chemistry, Properties & Perfumer Guide
The Chemistry
A synthetic ester formed through the reaction of decanoic acid with a glycerol octanoate intermediate. This mixed ester falls under the class of fatty acid polyol esters, specifically designed for their emollient properties and molecular stability. Industrial synthesis typically involves catalyzed esterification under controlled temperature conditions to achieve the desired substitution pattern on the glycerol backbone.
Physical & Chemical Properties
| Appearance | Colorless to pale yellow viscous liquid |
|---|---|
| Solubility | Insoluble in water, soluble in oils |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Cosmetic Bases | 1-5% | Up to 10% | Texture modifier |
| Industrial Fragrances | 0.5-3% | Up to 5% | Fixative |
Classic Accords
Tip: Use as a neutral base to extend longevity without adding dominant odor characteristics.
Alternatives & Comparisons
Simpler triglyceride ester with similar texture-modifying properties but slightly greasier feel.
Alternative emollient ester blend with improved spreadability in cosmetic formulations.
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 mixed ester compound.
Sustainability
As a fully synthetic material, production relies on petrochemical feedstocks with standard industrial processes. The esterification chemistry is relatively clean with high atom economy, though life cycle analysis would depend on specific manufacturing facilities. No known renewable alternatives exist with identical performance characteristics.
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