Octanolide-1,4, with the CAS number 104-50-7, is a synthetic aroma chemical known for its unique olfactory profile. It is often described as having a sweet, creamy, and slightly floral character, making it a versatile ingredient in perfumery. This compound is typically used in fragrance formulations to enhance the overall scent profile, providing depth and complexity. It can be found in a variety of fragrance types, including floral, fruity, and gourmand compositions, where it contributes to the richness and warmth of the blend. In terms of safety and regulatory considerations, Octanolide-1,4 is subject to standard safety assessments, and perfumers should be aware of any relevant IFRA guidelines regarding its use in cosmetic products. As with many synthetic aroma chemicals, it is important to consider potential allergenic properties, although specific allergenicity data for Octanolide-1,4 may not be well-documented. Overall, this ingredient serves as a valuable tool for perfumers looking to create nuanced and appealing fragrances. — AI-generated summary, 2026-09-02.
A soft, creamy gamma-octalactone character — warm coconut milk and buttery lactonic sweetness with a slightly fatty, waxy undertone. Rounded and diffusive rather than sharp, it adds a milky, tropical smoothness to floral and gourmand accords.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1045.
Colorless slightly oily liquid
Slightly soluble in water, soluble in alcohol and oils, fairly soluble in Propylene glycol
Sweet-herbaceous Coconut-like odor with an oily Tonka-bean-like undertone
Very sweet taste, reminiscent of Coconut and Tonkabean, with an herbaceous and pleasant aroma
This lactone is used in perfumery in heavy floral fragrances such as Gardenia, Tuberose, Hyacinth, and even in Lily. It serves as an interesting modifier or substitute for Coumarin in herbaceous fragrance types, Fougéres, Lavenders, etc.
Suggested for use in flavor compositions, where this lactone may form a base for Coconut, Nut, Butter-nut imitation flavors, and be a part of Vanilla compositions, Butter, Cheese, Caramel, Treacle, Rum, etc.
Produced from Epoxy-1,2-hexane plus Sodio-malonic ester. After saponification, the oxy-acid is extracted with ether and lactonized.