Isopulegyl acetate (CAS 57576-09-07) — Green Top Note Fragrance Ingredient
Isopulegyl acetate
CAS 57576-09-07
What Is Isopulegyl acetate?
Isopulegyl acetate is a synthetic fragrance ingredient used to add fresh, minty-green notes to perfumes and personal care products. You’ll encounter it in aftershaves, body sprays, and some citrus-forward fragrances. This molecule matters because it provides a crisp, uplifting character that blends well with citrus and herbal notes, helping create vibrant top notes in modern fragrances.
Safety Profile
GENERALLY SAFEWhat Does Isopulegyl acetate Smell Like?
Isopulegyl acetate delivers a brisk, refreshing aroma reminiscent of crushed mint leaves with a subtle fruity undertone. The opening is sharply green with a cooling menthol-like effect that quickly softens into a clean herbal character. As it dries down, it reveals a faint woody-rosy nuance that provides excellent diffusion. The overall effect is like walking through a herb garden after rain – dewy, vibrant, and slightly medicinal in the best way possible.
Chemistry, Properties & Perfumer Guide
The Chemistry
Isopulegyl acetate is a monoterpene ester derived from isopulegol. While not found in nature, it’s structurally related to compounds in mint and eucalyptus oils. Industrial synthesis typically involves the acetylation of isopulegol using acetic anhydride. The molecule’s stereochemistry significantly impacts its odor profile, with different isomers exhibiting varying intensity of minty-green characteristics.
Physical & Chemical Properties
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-3% | Up to 5% | Fresh top note component |
| Personal Care | 0.5-2% | Up to 3% | Cooling effect in aftershaves |
Classic Accords
Tip: Use to brighten citrus compositions and add cooling effects to masculine fougères.
Alternatives & Comparisons
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not currently restricted by IFRA standards.
RIFM Assessment
No specific RIFM assessment found for this material.
Sustainability
As a synthetic material, isopulegyl acetate production avoids natural resource depletion. However, its synthesis requires petrochemical feedstocks and energy-intensive processes. Some manufacturers are exploring bio-based routes using renewable resources.
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