Methyl vanillyl ether (CAS 5533-03-09) — Sweet Middle Note Fragrance Ingredient
Methyl vanillyl ether
CAS 5533-03-09
What Is Methyl vanillyl ether?
Methyl vanillyl ether is a synthetic fragrance ingredient that recreates the sweet, creamy aspects of vanilla with a powdery twist. It’s found in gourmand perfumes, candles, and some body care products. This molecule matters because it offers a more stable vanilla-like note than natural vanilla extract, lasting longer in products without discoloration. Its versatility makes it popular for creating warm, comforting scents.
Safety Profile
GENERALLY SAFEWhat Does Methyl vanillyl ether Smell Like?
Methyl vanillyl ether unfolds like warm vanilla custard dusted with powdered sugar, lacking the boozy depth of true vanilla but gaining a clean, cotton-like softness. The opening has a faintly phenolic edge that quickly mellows into a sweet, slightly doughy heart. Unlike vanillin, it doesn’t develop woody undertones during drydown, instead maintaining a persistent marshmallow-like sweetness with a whisper of heliotrope’s almond-like nuance. In blends, it behaves like vanilla’s more diffusive cousin – airy enough to lift heavy oriental bases but substantial enough to anchor citrus top notes.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used here to create a fluffy, non-gourmand vanilla that avoids cloying sweetness, pairing with jasmine and tonka for a weightless dessert effect.
Provides the transparent vanilla facet that balances the frankincense, creating a dry vanilla impression rather than a sugary one.
Contributes to the ‘vanilla-wood’ illusion, mimicking the sweet dustiness of old book pages without actual vanilla’s dark richness.
Chemistry, Properties & Perfumer Guide
The Chemistry
Methyl vanillyl ether is a synthetic aromatic ether derived from vanillin. The methylation of vanillin’s phenolic hydroxyl group creates a molecule with greater stability against oxidation while reducing polarity. Industrial synthesis typically involves Williamson ether synthesis using vanillin and methyl halides under basic conditions. Unlike vanillin, this ether lacks hydrogen bonding capacity, explaining its higher volatility and reduced tenacity. The methoxy group’s electron-donating effect maintains some vanillic character while the ether linkage modifies the scent profile significantly.
Physical & Chemical Properties
| Appearance | White crystalline powder |
|---|---|
| Solubility | Soluble in alcohol, insoluble in water |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-3% | Up to 5% | For transparent vanilla effects |
| Candles | 2-4% | Up to 6% | Heat-stable vanilla modifier |
Classic Accords
Tip: Use to soften harsh woody-amber materials while avoiding the heavy sweetness of true vanilla.
Alternatives & Comparisons
When stronger vanilla character is needed, though it’s more potent and can cause discoloration.
For similar powdery sweetness but with more floral, almond-like qualities.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not restricted under current IFRA standards (as of 49th Amendment).
RIFM Assessment
Not currently evaluated by RIFM, but structurally similar to compounds with established safety profiles.
Sustainability
As a synthetic material, methyl vanillyl ether avoids the sustainability issues of natural vanilla production (deforestation, price volatility). However, its synthesis typically involves petrochemical feedstocks. Some manufacturers are exploring green chemistry routes using bio-based vanillin and renewable methanol sources.
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