Bay leaf oil, terpeneless (CAS 68916-05-02) — Spicy Heart Note Fragrance Ingredient
Bay leaf oil, terpeneless
CAS 68916-05-02
What Is Bay leaf oil, terpeneless?
Bay leaf oil, terpeneless is a concentrated fragrance ingredient derived from bay leaves with certain volatile compounds removed. It’s found in savory culinary products, men’s colognes, and herbal home fragrances. This processed version offers a smoother, more versatile scent profile than regular bay oil. The terpeneless version matters because it eliminates harsh top notes while preserving the warm, spicy-leaf character that perfumers value for creating sophisticated herbal accords.
Safety Profile
USE WITH AWARENESSWhat Does Bay leaf oil, terpeneless Smell Like?
Terpeneless bay oil unfolds with an immediate warm, slightly medicinal herbaceousness reminiscent of crushed bay leaves in a hot stew. The mid-phase reveals a complex interplay of clove-like spice (from residual eugenol) and camphoraceous depth. Unlike regular bay oil, the terpeneless version lacks harsh piney top notes, settling into a smooth, woody-herbal drydown with whispers of nutmeg and dried tea leaves. The scent profile maintains excellent diffusion while being less likely to overwhelm a composition.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used here to amplify the aromatic fougère structure, providing a Mediterranean herbal twist that complements the citrus and oakmoss without the sharpness of regular bay oil.
The terpeneless version adds depth to the anise-lavender opening, creating a seamless transition to the woody base notes while avoiding discord with the citrus top.
Chemistry, Properties & Perfumer Guide
The Chemistry
Terpeneless bay oil is produced by fractional distillation or solvent extraction of Laurus nobilis leaf oil to remove α-pinene, β-pinene, and other monoterpenes. This concentrates oxygenated sesquiterpenes like eugenol (typically 15-25%), methyleugenol, and elemicin. The process increases the proportion of heavier, less volatile compounds while reducing the oil’s phototoxic potential. Modern production often employs molecular distillation to achieve precise terpene removal while preserving desirable aroma chemicals.
Physical & Chemical Properties
| Appearance | Pale yellow to amber liquid |
|---|---|
| Solubility | Soluble in alcohol and oils |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.5-2% | Up to 5% | Adds herbal sophistication |
| Functional Fragrance | 0.1-0.5% | Up to 1% | Soap and detergent applications |
Classic Accords
Tip: Use to soften harsh herbal notes in fougères – start at 0.2% and increase gradually to avoid dominating the blend.
Alternatives & Comparisons
For when clove-spice dominance is desired without the full herbal complexity of bay. Lacks the woody-amber drydown.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No specific restrictions under IFRA 51st Amendment. General guidelines for eugenol-containing materials apply.
EU Allergen Declaration
Contains eugenol ≥0.01% – must be declared when present above threshold in final product.
GHS Classification
RIFM Assessment
Evaluated as part of bay oil safety profile – terpeneless version shows reduced irritation potential.
Sustainability
Sourcing primarily from cultivated bay laurel trees in Mediterranean regions. Terpene removal reduces waste as extracted monoterpenes find use in other industries. Energy-intensive distillation process offset by reduced shipping weight versus whole oil.
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References
- Lawrence, B.M. (2009). Progress in Essential Oils. Perfumer & Flavorist. Industry Journal
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
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