Orange essence oil, sweet terpeneless (CAS 68606-94-0) — Citrus Top to middle Note Fragrance Ingredient
Orange essence oil, sweet terpeneless
CAS 68606-94-0
What Is Orange essence oil, sweet terpeneless?
Sweet orange terpeneless essence is a concentrated citrus extract where the volatile terpenes have been removed, leaving behind the rich, sweet orange character. You’ll find it in premium citrus perfumes, gourmand fragrances, and some high-end cleaning products. This material matters because it provides the true-to-life sweetness of orange peel without the harshness or rapid evaporation of regular citrus oils. Perfumers prize it for creating long-lasting citrus accords that don’t fade quickly.
Safety Profile
GENERALLY SAFEWhat Does Orange essence oil, sweet terpeneless Smell Like?
The essence bursts with the candied sweetness of freshly peeled navel oranges, like marmalade simmering with honey. Unlike raw orange oil, there’s no sharp terpenic bite—just lush, rounded citrus that evolves into a warm, slightly waxy orange blossom character. The dry-down reveals subtle floral undertones reminiscent of orange flower water, with a faintly powdery texture that lingers close to the skin for hours. When diluted, it develops a juicy, almost edible quality like the scent left on your fingers after segmenting a ripe Valencia.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used as the citrus backbone to create a Mediterranean orange grove effect that persists beyond the top notes, blending with verbena and basil.
Provides the hyper-realistic blood orange accord that defines this fragrance, amplified with jasmine and tonka bean.
Forms the sparkling citrus core that lasts unusually long for a cologne, paired with white musks and grapefruit.
Adds luminous sweetness to counterbalance the earthy vetiver, creating a sun-drenched contrast.
Contributes to the eternal citrus theme with lasting orange brightness alongside lily of the valley.
Chemistry, Properties & Perfumer Guide
The Chemistry
Sweet orange terpeneless essence is produced by molecular distillation or solvent extraction of Citrus sinensis oil, selectively removing limonene and other monoterpenes while retaining oxygenated compounds like aldehydes, esters, and sesquiterpenes. The process concentrates components such as decanal, linalool, and sinensal which contribute to the sweet, floral character. Unlike cold-pressed oils, this material contains minimal phototoxic furocoumarins due to the removal of terpenoid precursors. The exact composition varies by cultivar and extraction method, but typically shows 10-20x higher concentration of oxygenated compounds compared to raw orange oil.
Physical & Chemical Properties
| Appearance | Pale yellow to amber liquid |
|---|---|
| Solubility | Soluble in alcohol, insoluble in water |
| Refractive Index | 1.470 – 1.480 (20°C) |
| Specific Gravity | 0.840 – 0.880 (25°C) |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-5% | Up to 10% | Citrus core material |
| Personal Care | 0.5-2% | Up to 3% | Long-lasting citrus effect |
| Household Products | 0.1-0.5% | Up to 1% | Premium citrus character |
| Flavorings | 10-100 ppm | Up to 200 ppm | Natural orange flavor |
Classic Accords
Tip: Use as a bridge between citrus top notes and floral heart notes to prevent harsh transitions.
Alternatives & Comparisons
Higher terpene content provides more brightness but less longevity, suitable for fresher citrus effects.
Softer, more floral character for delicate citrus compositions where sweetness should dominate.
Single molecule alternative when only the waxy orange peel character is needed without complexity.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No restrictions under IFRA standards. Exempt from phototoxicity concerns due to terpene removal.
EU Allergen Declaration
Contains limonene (typically <5%) which requires declaration above 0.001% in leave-on products.
RIFM Assessment
Considered safe for current fragrance use levels based on RIFM’s assessment of orange oil components.
Sustainability
Sourced from orange juice industry byproducts in Brazil and Florida, making it a circular economy material. The terpene removal process reduces shipping weight and carbon footprint versus whole oil. Some producers use green solvents like ethanol for extraction. Synthetic alternatives exist but lack the natural complexity.
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References
- Dugo G. et al. (2002). Composition of sweet orange peel oil. Flavour and Fragrance Journal. DOI:10.1002/ffj.1074
- IFRA Standards Library (2023). Citrus oils monograph. IFRA
- Bauer K. et al. (2001). Common Fragrance and Flavor Materials. Wiley-VCH.
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorIngredient Data Sheet
CAS 68606-94-0Odor & Flavor
| See above, Orange Sweet.📖 Fenaroli |
Regulatory Status
| IOFI Classification | Natural📖 Fenaroli |
Physical 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.
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