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Patchoulol | Perfumery Raw Material
Patchoulol | Perfumery Raw Material
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Patchoulol
Patchoulol is the odor-defining main component of patchouli oil – an earthy-woody, slightly sweet material that shapes one of the most distinctive and longest-valued base notes in perfumery.
Odor character
- Earthy-woody, characteristic of patchouli
- Solid, practically insoluble in water, soluble in ethanol
- Odor-defining main component of natural patchouli oil (Pogostemon cablin)
Role in the formula
As the odor-defining main component of patchouli oil, Patchoulol contributes significantly to the characteristic earthy-woody, slightly camphoraceous scent impression that makes this natural material so unmistakable. In compositions it serves as a base note and is frequently used to round out oriental, chypre-type or woody accords, as well as to reinforce and extend the natural patchouli character in a formula.
Use in perfumery
The manufacturer gives no specific dosage recommendation for this material in the available documentation. As with any new aroma material, it is advisable to start with small amounts in diluted form and increase gradually according to your own scent impression.
Practical note: dissolving, storing, combining
Dissolving: Practically insoluble in water, readily soluble in ethanol.
Storing: Store in tightly closed, preferably well-filled containers, cool, dry and well-ventilated, protected from light. Keep away from ignition sources.
Safety information
According to the current safety data sheet (version 4.0, 23 Jan 2023), Patchoulol is classified under CLP Regulation (EC) No. 1272/2008 as: Aquatic Chronic 2, H411 (toxic to aquatic life with long-lasting effects). No signal word is required for this classification.
For skin irritation, eye damage, acute toxicity, sensitization, germ-cell mutagenicity, carcinogenicity, reproductive toxicity and aspiration hazard, the respective classification criteria are not met based on the available data, according to the safety data sheet. The product is not classified as a PBT or vPvB substance and, according to the safety data sheet, contains no components with known endocrine properties.
Nevertheless: as with all concentrated aroma materials, avoid direct contact with skin and eyes, and protective gloves and safety goggles are recommended when handling the undiluted material. For transport: UN 3077, Class 9, Packing Group III, classified as a marine pollutant. The material must not enter wastewater, waterways or drains.
Physico-chemical properties
| Substance name | Patchoulol |
| CAS no. | 5986-55-0 |
| EC no. | 227-807-2 |
| REACH status | Exempt from registration (import/manufacture <1 tonne/year) |
| Purity | Main component ≥50% (w/w) |
| Physical state | Solid |
| Flash point | approx. 110 °C |
| Water solubility | Insoluble, soluble in ethanol |
FAQ
What is Patchoulol?
Patchoulol is the odor-defining main component of natural patchouli oil, with an earthy-woody, characteristic scent character.
What is Patchoulol typically used for?
As a base note to round out oriental, chypre-type or woody accords, and to reinforce and extend the natural patchouli character in a composition.
Is Patchoulol classified as hazardous?
According to the current safety data sheet, Patchoulol is classified exclusively as toxic to aquatic life with long-lasting effects (H411), with no signal word required. For most other hazard classes such as skin irritation or acute toxicity, the classification criteria are not met based on the available data – nevertheless, usual protective measures are recommended when handling the undiluted material.
Hazard Information (CLP Labelling)
Hazard statements (H):
H411 – Toxic to aquatic life with long-lasting effects.
Precautionary statements (P):
P273 – Avoid release to the environment.
P391 – Collect spillage.
P501 – Dispose of contents/container in accordance with local regulations.
Substance: Patchoulol (CAS 5986-55-0). The relevant CLP hazard-labelling elements (pictogram and H and P statements) pursuant to Regulation (EC) No 1272/2008 (CLP), as amended, are reproduced here in full. No signal word is prescribed for this classification. The legally binding labelling appears on the packaging.
Important note
This product is a perfumery raw material intended exclusively for fragrance development, creative experimentation, education and the study of perfumery materials. It is not a finished cosmetic product. Please observe the stated safety information.
