Marjoram oil, Spanish (CAS 8016-33-9) — Balsamic Middle Note Fragrance Ingredient
Marjoram oil, Spanish
CAS 8016-33-9
What Is Marjoram oil, Spanish?
Spanish marjoram oil is a steam-distilled essential oil from the sweet marjoram plant (Origanum majorana) grown in Spain. You’ll encounter it in Mediterranean cuisine, herbal teas, and natural perfumes. This oil matters because it bridges herbal and floral worlds, adding a warm, slightly spicy sweetness that’s softer than its oregano cousin while still packing aromatic complexity.
Safety Profile
USE WITH AWARENESSWhat Does Marjoram oil, Spanish Smell Like?
Spanish marjoram oil unfolds like a sun-warmed herb garden – initially camphoraceous with a medicinal twang that quickly softens into sweet herbaceousness. The heart reveals thyme-like phenolic warmth dancing with honeyed floral undertones, while the dry-down lingers as a comforting woody-herbal whisper. Unlike harsher oregano oils, it maintains a rounded character throughout, with subtle hints of eucalyptus and citrus peel peeking through its predominantly soft, balsamic personality.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used as a herbal bridge between citrus top notes and oakmoss base, adding Mediterranean warmth without overwhelming the citrus freshness.
Provides subtle herbaceous counterpoint to the dominant lavender, creating a more complex masculine fougère structure.
Chemistry, Properties & Perfumer Guide
The Chemistry
Spanish marjoram oil primarily contains terpinen-4-ol (up to 40%), γ-terpinene, and sabinene. The Spanish variety typically has higher linalool and terpinene content compared to other origins, giving it a sweeter profile. Its composition varies significantly with harvest time – early harvest yields more camphoraceous notes while late harvest emphasizes sweeter terpene alcohols. The oil lacks thymol and carvacrol (dominant in oregano), making it less phenolic and more suitable for perfumery.
Physical & Chemical Properties
| Appearance | Pale yellow mobile liquid |
|---|---|
| Density | 0.89-0.92 g/cm³ |
| Refractive Index | 1.470-1.475 |
| Optical Rotation | +15° to +25° |
Key Constituent Properties
| Constituent | CAS | MW | BP °C | XLogP | Vapor P. |
|---|---|---|---|---|---|
| Terpinen-4-ol | 562-74-3 | 154.25 | 209 °C | 2.7 | 0.16 mmHg |
| γ-Terpinene | 99-85-4 | 136.23 | 183 °C | 4.2 | 1.3 mmHg |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.5-2% | Up to 5% | Herbal modifier in fougères and chypres |
| Functional Products | 0.1-0.5% | Up to 1% | Herbal freshness in soaps and detergents |
Classic Accords
Tip: Use to soften harsh herbal notes – adds warmth without the medicinal punch of thyme or oregano oils.
Alternatives & Comparisons
Higher in sabinene for more camphoraceous effects when a sharper herbal note is needed.
For recreating the sweet floral aspects without the herbal complexity when blending with sensitive materials.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No restrictions under IFRA 49th Amendment. Contains no regulated components above restriction thresholds.
EU Allergen Declaration
Contains linalool (≥1%) – must be declared per EU Regulation No 1223/2009.
GHS Classification
RIFM Assessment
RIFM assessment complete – safe for use at current industry levels with proper allergen labeling.
Sustainability
Spanish marjoram is typically grown as a rain-fed crop in sustainable polyculture systems alongside olives and almonds. The distillation process requires significant water and energy inputs, but Spanish producers increasingly use solar-powered stills. Wild harvesting is rare as cultivated plants yield higher quality oil with more consistent composition.
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References
- Baser KHC et al. (1993). Essential Oils of Origanum Species from Turkey. JEOBP. DOI 10.1080/10412905.1993.9698197
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
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