Ethylvanillin

Ethylvanill in (CAS 121-32-4) is vanillin's synthetic amplification — the same vanilla archetype, dialed up 3-4 times in intensity and shifted toward creamy, confectionery sweetness. Where vanillin (CAS 121-33-5) retains a woody-balsamic quality that recalls the actual vanilla pod, ethylvanill in is purer and more one-dimensional: vanilla ice cream, vanilla frosting, vanilla as concept rather than as botanical reality.

The molecule is a white crystalline powder, produced entirely by synthesis. It has no significant natural occurrence, unlike vanillin, which appears in vanilla beans, tonka beans, and can be produced from lignin or guaiacol. Ethylvanillin's advantage is potency: because less material is needed to achieve the same vanilla impact, it causes less discoloration in formulas (both vanillin and ethylvanillin yellow over time, but lower concentrations slow the process).

In perfumery, ethylvanillin is ubiquitous. It appears in amber, gourmand, ambery, and floral-sweet compositions. Combined with vanillin, it creates a richer, more layered vanilla than either molecule alone. With coumarin, it produces the classic 'warm amber' base. With ethyl maltol, it shifts into full gourmand territory. The molecule's limitation is its one-dimensionality — it needs supporting materials (benzoin, labdanum, tonka absolute) to avoid reading as flat and synthetic.

Explore all seven extraits in the Discovery Set.

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Related: Almond · Benzoin · Butterscotch · Caramel · Chocolate · Cinnamon · Coffee · Coumarin