Clove, extract, acetylated (CAS 91771-52-7) — Spicy Middle Note Fragrance Ingredient
Clove, extract, acetylated
CAS 91771-52-7
What Is Clove, extract, acetylated?
Acetylated clove extract is a modified version of natural clove oil, often used in perfumes and flavored products. It’s created by chemically altering clove’s main components to enhance stability and scent profile. This ingredient matters because it delivers clove’s warm, spicy character without some of the skin sensitivity issues of raw clove oil.
Safety Profile
USE WITH AWARENESSWhat Does Clove, extract, acetylated Smell Like?
Acetylated clove extract opens with a burst of warm, medicinal spice – imagine biting into a clove-studded orange peel. The sharp phenolic edge of natural clove is rounded by a creamy, almost vanillic sweetness from the acetylation. As it dries, it reveals a woody-balsamic depth reminiscent of antique furniture polish, with lingering notes of dried tobacco leaves and faint cinnamon. The modification creates a longer-lasting scent trail than natural clove, with less volatility in the top notes.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used here for its warm spice that blends seamlessly with amber and vanilla, creating the iconic oriental accord without clove’s harsh phenolic edge.
The acetylated version provides longevity to the clove note in this fougère masterpiece, complementing lavender and vanilla in the base.
Chemistry, Properties & Perfumer Guide
The Chemistry
Acetylated clove extract is produced by esterifying eugenol (clove’s main component) with acetic anhydride. This converts phenolic hydroxyl groups into acetate esters, reducing skin sensitivity while maintaining the core scent profile. The process typically yields a mixture of acetylated compounds including eugenol acetate, with improved solubility in alcohol bases compared to raw clove oil.
Physical & Chemical Properties
| Appearance | Pale yellow to amber liquid |
|---|---|
| Solubility | Soluble in alcohol and oils |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-3% | Up to 5% | Spice modifier in oriental accords |
| Home Fragrance | 0.5-2% | Up to 3% | Provides warm depth |
Classic Accords
Tip: Use to build warmth in amber bases without the phenolic sharpness of natural clove.
Alternatives & Comparisons
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not specifically restricted under IFRA standards.
EU Allergen Declaration
May require declaration if residual eugenol exceeds 0.001% in leave-on products.
GHS Classification
RIFM Assessment
Considered safe at current usage levels based on modified clove oil assessments.
Sustainability
Synthetic modification reduces the need for high-volume clove harvesting. The acetylation process is energy-intensive but allows more efficient use of agricultural resources.
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References
- Burdock, G.A. (2010). Fenaroli’s Handbook of Flavor Ingredients. CRC Press.
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
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