4-(4-Hydroxyphenyl)butan-2-one, also known by its CAS number 5471-51-2, is a synthetic compound that falls under the category of other fragrance materials. It is characterized by its sweet, floral, and slightly woody scent profile, making it a versatile ingredient in perfumery. This compound is often utilized in the formulation of various fragrance types, particularly in floral and gourmand compositions, where it can enhance the overall complexity and depth of the scent. In a formula, it may be used at low concentrations to provide a subtle yet impactful contribution to the fragrance's character. As with many synthetic fragrance materials, it is important to consider safety and regulatory aspects when using 4-(4-Hydroxyphenyl)butan-2-one. While specific IFRA restrictions may not be widely documented for this compound, perfumers should always adhere to best practices regarding usage levels and potential allergenic properties, ensuring compliance with relevant regulations in their respective markets. — AI-generated summary, 2026-09-02.
The classic raspberry ketone aroma — an intensely sweet, jammy raspberry note with a warm, slightly floral-balsamic undertone. In isolation it reads as ripe crushed raspberries with a candied edge, and holds a soft, powdery-fruity character as it dries down.AI · claude-opus-4-7
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Other ingredients whose composition declares this material as a constituent. The percentage shown is the supplier-declared concentration in that parent.
| Ingredient | % | Range |
|---|---|---|
| RASPBERRY KETONE 10 | 10% | — |