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The Allure of Delta Octalactone in Fragrance and Flavor



In the world of perfumery and flavoring, the quest for unique and captivating scents and tastes often leads chemists and perfumers to discover hidden gems among a vast array of compounds. Delta Octalactone, with its charmingly fruity and creamy aroma, is one such gem. Its scientific name, CAS 698-76-0, might sound complex, but the experience it offers to our senses is both delightful and intriguing. In this blog, we'll explore the fascinating world of Delta Octalactone, uncovering its characteristics, applications, and the magic it adds to fragrances and flavors.

The Chemistry of Delta Octalactone (CAS 698-76-0)

Delta Octalactone, with its tongue-twisting name, is a simple organic compound with a more straightforward chemical formula: C8H14O2. Its IUPAC name is 6-Hydroxy-4,6-dimethylheptan-3-one, which provides insights into its molecular structure. It belongs to a group of chemicals called lactones, characterized by a ring structure.

Characteristics and Aroma Profile

Delta Octalactone is known for its rich and distinctive aroma, characterized by fruity, creamy, and coconut-like notes. Its scent is often described as peachy or apricot-like, with a creamy undertone that hints at coconut or coconut milk. This unique aroma profile makes Delta Octalactone a valuable addition to both the fragrance and flavor industries.

Applications in Fragrance

1. Perfumery: Delta Octalactone is a popular choice among perfumers, prized for its ability to add depth and complexity to fragrances. It often serves as a middle to base note, enhancing the overall olfactory experience. Its fruity and creamy nuances make it an excellent complement to floral, fruity, and gourmand fragrances.

2. Cosmetics: Delta Octalactone is also used in cosmetics, where it contributes to the aroma of various personal care products, including lotions, creams, and soaps.

Applications in Flavor

1. Food Industry: In the world of flavoring, Delta Octalactone finds widespread use. It is a key component in creating flavors that mimic peach, apricot, and coconut in various food products, including desserts, beverages, and confectionery.

2. Beverages: Delta Octalactone is a favorite among beverage manufacturers, contributing to the aroma and flavor profiles of peach, apricot, and tropical fruit-flavored drinks and cocktails.

3. Baked Goods: It is used to enhance the flavor of baked goods such as cookies, pastries, and cakes, providing a subtle, creamy, and fruity note.

4. Dairy Products: Delta Octalactone is often added to dairy products like yogurt and ice cream to create a creamy, coconut-like flavor.

Safety Considerations

Delta Octalactone is generally recognized as safe (GRAS) for use in food by the United States Food and Drug Administration (FDA). However, it's essential to use this compound in accordance with recommended guidelines and within permitted concentration levels to ensure the safety of the final product.


Delta Octalactone, with its alluring aroma reminiscent of peaches, apricots, and coconut, has firmly established itself as a sought-after ingredient in both the fragrance and flavor industries. Its versatility and ability to evoke rich and creamy notes make it a prized component in a wide range of products, from high-end perfumes to delectable desserts. As we continue to explore the world of chemistry and sensory experiences, Delta Octalactone (CAS 698-76-0) stands as a testament to the art and science of creating scents and flavors that captivate and delight our senses.


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