Undecan-4-olide CAS 104-67-6 C11H20O2
Peach aldehyde (γ-undecalactone, gamma-Undecalactone) is a synthetic flavor compound with a strong peach aroma. It is an extremely important lactone flavor that can be widely used in daily chemical flavors and edible flavors.
104-67-6
C11H20O2
184.28
203-225-4
| Chemical Name | Undecan-4-olide |
| CAS | 104-67-6 |
| EINECS | 203-225-4 |
| Molecular Formula | C11H20O2 |
| Molecular Weight | 184.28 |
| Spice Type | synthetic fragrances |
Peach aldehyde (γ-undecalactone, gamma-Undecalactone) is a synthetic flavor compound with a strong peach aroma, widely used in food, daily chemicals, tobacco and industrial fields.
I. Food industry flavoring agent
Fruit flavor products: widely used in peach-flavored candies, jellies, ice cream, yogurt and fruit juice drinks to simulate the sweet aroma of natural peaches.
Baked food: added to cakes, biscuits, bread, etc., to give a warm peach or cream aroma after baking, and enhance the taste level.
Dairy products: used in cheese, pudding, etc., to cover the fishy smell of dairy products and increase the complexity of fruity aroma.
Compound flavor blending:
Combined with other lactones (such as coconut aldehyde, γ-nonalactone) or ester flavors (such as ethyl acetate) to blend mixed fruits (such as peach-apricot, peach-mango) or tropical flavors.
Regulatory compliance:
Approved as a food additive by FEMA GRAS (FEMA 3093), EU (FL 10.038) and China (GB 2760), with a recommended dosage of 1–50 ppm.
II. Daily chemicals and personal care
Fragrance formulas:
Perfumes and fragrances: As a core ingredient of floral and fruity notes, it is used in women's perfumes and body sprays, and is paired with rose, jasmine, vanilla and other notes to create a sweet and romantic aroma.
Skin care and cleaning products: Added to hand cream, shower gel, shampoo, it provides a lasting peach scent and enhances the user experience (concentration is usually 0.01%–0.1%).
Household products: Used in candles, air fresheners, laundry detergents to create a warm and fruity environment.
Innovative applications:
Some high-end cosmetics (such as lipsticks and blushes) add trace amounts of peach aldehyde to enhance the sensory appeal of the product through aroma.
| Melting point | 164～166℃ |
| Boiling point | 164-166 °C/13 mmHg |
| Density | 0.949 g/mL at 25 °C |
| FEMA | 3091 | GAMMA-UNDECALACTONE |
| Storage | Sealed in dry,Room Temperature |
| Fragrance | fruity |
| Water solubility | 158mg/L at 20℃ |
| LogP | 3.6 at 25℃ |
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