Patchouli terpenes (CAS 73049-85-1) — Woody Base Note Fragrance Ingredient
Patchouli terpenes
CAS 73049-85-1
What Is Patchouli terpenes?
Patchouli terpenes are aromatic compounds found in patchouli oil, commonly used in perfumes, incense, and aromatherapy. They contribute to the deep, earthy scent associated with patchouli. These terpenes matter because they provide longevity and complexity to fragrances, often serving as a base note that evolves over time.
Safety Profile
GENERALLY SAFEWhat Does Patchouli terpenes Smell Like?
Patchouli terpenes offer a rich, earthy aroma with woody and balsamic undertones. Initially intense and slightly camphoraceous, the scent mellows into a warm, sweet, and musky dry-down. It evokes damp forests, aged leather, and exotic spices, making it a staple in oriental and woody fragrances.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Patchouli terpenes are used here to create a dark, resinous base that contrasts with bright citrus and floral notes, adding depth and longevity.
This fragrance uses patchouli terpenes to enhance the smoky, leathery aspects, creating a modern interpretation of classic patchouli.
Chemistry, Properties & Perfumer Guide
The Chemistry
Patchouli terpenes are primarily sesquiterpenes, including patchoulol, alpha-bulnesene, and alpha-guaiene. These compounds are extracted from Pogostemon cablin leaves through steam distillation. Their complex structure contributes to their stability and long-lasting scent in perfumery.
Physical & Chemical Properties
| Boiling Point | N/A |
|---|---|
| Density | N/A |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 5-10% | Up to 20% | Adds depth and longevity |
| Aromatherapy | 2-5% | Up to 10% | Used for grounding effects |
Classic Accords
Tip: Use patchouli terpenes to anchor citrus or floral top notes, providing a long-lasting base.
Alternatives & Comparisons
A more complex alternative with additional minor constituents, offering a fuller scent profile.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No restrictions under current IFRA standards.
EU Allergen Declaration
Not listed as an EU allergen.
RIFM Assessment
Patchouli terpenes have been assessed by RIFM and are considered safe for use in fragrances.
Sustainability
Patchouli is cultivated primarily in tropical regions. Sustainable practices include organic farming and fair trade sourcing to ensure environmental and social responsibility.
Explore Patchouli terpenes
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References
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorIngredient Data Sheet
CAS 73049-85-1Physical 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.
