Dihydroactinidiolide (CAS 15356-74-8 / 17092-92-1, FEMA 4020) - Flavor & Fragrance Ingredient

Our Dihydroactinidiolide is a high-purity synthetic flavor and fragrance intermediate, typically supplied as a colorless to pale yellow liquid or a white crystalline solid, depending on the isomeric form and temperature . The product meets stringent quality standards suitable for industrial applications in food, cosmetics, and technical industries. Key specifications generally include an assay of ≥ 98% as determined by GC analysis. It is characterized by a refractive index of 1.499-1.505 (20°C) and a relative density of 1.051-1.058 (20/20°C) . The compound is insoluble in water but readily soluble in organic solvents like ethanol and oils, making it highly versatile for various formulation bases .

Aroma and Flavor Profile

The sensory profile of Dihydroactinidiolide is exceptionally complex and desirable. It is most commonly described as possessing a sweet, tea-like, and woody aroma with distinct fruity and floral nuances reminiscent of ripe peaches and apricots . Many perfumers and flavorists also note its coumarin-like and musky undertones, which add depth and warmth to formulations . This multifaceted character allows it to bridge the gap between fruity top notes and deeper, more tenacious woody base notes.

Applications in the Flavor Industry

As a potent flavoring agent, Dihydroactinidiolide (FEMA 4020) is widely utilized to create natural and complex flavor profiles:

Fruit Flavors: It is a key component in formulating authentic peach, apricot, raspberry, and strawberry flavors, adding a ripe, juicy, and "sun-kissed" character .

Tea and Brown Flavors: Due to its natural occurrence in tea, it is invaluable for creating black tea, oolong tea, and mate flavors, imparting a genuine, brewed-leaf character .

Tomato and Vegetable Flavors: It can be used to enhance the ripe, sweet facets of tomato and other vegetable flavor compositions .

Beverage Applications: Its pleasant taste and aroma make it suitable for use in juices, functional drinks, and alcoholic beverages to provide a natural mouthfeel and complexity .

Applications in the Fragrance Industry

In perfumery, Dihydroactinidiolide serves as an excellent fixative and harmonizer:

Fine Fragrances: It is used to construct heart and base notes in floral, woody, and oriental perfumes, providing a smooth, creamy, and long-lasting effect.

Functional Products: Its stability and pleasant scent profile make it suitable for use in personal care products such as soaps, lotions, and shampoos, as well as household products like candles and air fresheners .

Applications in Tobacco

The tobacco industry highly values Dihydroactinidiolide for its ability to improve smoke quality. It is used to round off harsh notes, mask undesirable raw tobacco characters, and contribute a mild, sweet, and fruity-woody note to the smoke aroma, enhancing the overall sensory experience .