3-l-Menthoxypropane-1,2-diol (CAS 87061-04-09) — Green Modifier Note Fragrance Ingredient
3-l-Menthoxypropane-1,2-diol
CAS 87061-04-09
What Is 3-l-Menthoxypropane-1,2-diol?
3-l-Menthoxypropane-1,2-diol is a synthetic cooling agent used in perfumes and personal care products. It provides a fresh, minty sensation similar to menthol but with less intensity. You’ll find it in body sprays, aftershaves, and some summer fragrances where a cooling effect is desired.
Safety Profile
GENERALLY SAFEWhat Does 3-l-Menthoxypropane-1,2-diol Smell Like?
This molecule delivers a crisp, clean cooling sensation without strong odor. Imagine the initial bracing effect of peppermint without its herbal character—like chilled metal on a summer day. It lacks significant top or base notes, functioning primarily as a tactile modifier that enhances freshness perceptions in fragrance compositions.
Chemistry, Properties & Perfumer Guide
The Chemistry
3-l-Menthoxypropane-1,2-diol is a synthetic derivative of menthol, created by etherification of menthyl alcohol with glycidol. The l-configuration at the menthyl group is crucial for its cooling properties. Industrial synthesis typically involves catalytic hydrogenation steps to achieve the desired stereochemistry. Unlike menthol, this compound’s diol structure makes it more water-soluble while retaining cooling characteristics.
Physical & Chemical Properties
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Body Sprays | 0.5-2% | Up to 5% | Provides cooling sensation |
| Aftershaves | 1-3% | Up to 4% | Soothes skin |
Classic Accords
Tip: Use in alcohol-based sprays for maximum cooling effect.
Alternatives & Comparisons
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not restricted by IFRA.
RIFM Assessment
Considered safe at current usage levels based on RIFM evaluation.
Sustainability
As a synthetic material, production avoids agricultural impacts but depends on petrochemical feedstocks. Manufacturing requires careful solvent recovery to minimize environmental footprint. Biodegradability studies show moderate environmental persistence.
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