Acetoin, also known as 3-hydroxybutan-2-one, is a synthetic aroma chemical with the CAS number 513-86-0. It is characterized by a creamy, buttery scent that is often associated with dairy products and is used in perfumery to impart a smooth, sweet note. Acetoin is commonly utilized in gourmand and floral compositions, where it can enhance the richness of the fragrance and provide a soft, rounded character. In formulations, it typically sits in the mid to base notes, contributing to the overall depth and complexity of the scent. While Acetoin is generally regarded as safe for use in cosmetics and fragrances, it is important for formulators to be aware of any regulatory guidelines that may apply, including potential restrictions set by organizations such as IFRA. As with many synthetic aroma chemicals, it is advisable to use Acetoin within established safety limits to ensure consumer safety and compliance with relevant regulations. — AI-generated summary, 2026-09-02.
Intensely buttery and creamy with a fresh dairy character, like warm butter or buttermilk. A soft caramel warmth sits underneath with mild fatty, slightly fermented nuances that give it a realistic milky quality rather than flat sweetness.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 |
|---|---|---|
| APPLE | — | — |
| BANANA | — | — |
| DAIRY | — | — |
| MILK F-TEC | — | — |