Gamma-Octalactone CAS 104-50-7
Gamma-Octalactone for Flavor and Fragrance Manufacturing
Gamma-octalactone is a liquid flavor and fragrance ingredient with a sweet coconut aroma, creamy nuances and fruity undertones. Its main applications include coconut and dairy flavors, tropical fruit compositions, gourmand perfumes and fruity fragrance accords. Unilong handles commercial supply enquiries from flavor houses, fragrance manufacturers and bulk ingredient distributors.
| Product item | Details |
|---|---|
| Product name | Gamma-Octalactone / γ-Octalactone |
| CAS number | 104-50-7 |
| EC number | 203-208-1 |
| Molecular formula | C8H14O2 |
| Molecular weight | 142.20 g/mol |
| Synonyms | 4-Octanolide; Octa-1,4-lactone |
| Flavor identifiers | FEMA 2796; JECFA 226 |
| Physical form | Clear, colorless to pale yellow liquid |
| Commercial packing | 25 kg/drum, subject to order confirmation |
Aroma Profile and Compounding Uses
The characteristic coconut note is the defining feature of gamma-octalactone. Creamy, milky and fruity nuances give it a role in both food flavor concentrates and perfume compounds. Its aroma profile also includes a sweet, waxy facet, making it relevant to coconut, cream, peach, raspberry and oakwood fragrance themes.
In coconut compositions, this lactone supplies a recognizable part of the main aroma character. In broader fruit or perfume blends, it can provide a supporting lactonic accent. These two roles make it useful across different commercial product briefs: a pronounced coconut theme and a subtler creamy contribution within a multi-ingredient concentrate.
Gamma-octalactone is an individual aroma ingredient used in compounded flavors and fragrances. The balance of the final composition comes from its combination with other ingredients. In a tropical flavor, that combination can include fruity esters and other lactones; in a perfume, the surrounding materials may include floral, green, woody or sweet notes.
Physical and Chemical Properties
| Property | Typical data |
|---|---|
| Appearance | Colorless to pale yellow, clear liquid |
| Odor | Sweet coconut, fruity, creamy |
| Density at 20°C | 0.973–0.983 g/mL |
| Refractive index, nD20 | 1.4430–1.4470 |
| Boiling point | Approximately 234°C at atmospheric pressure |
| Alcohol solubility | Soluble |
| Water solubility | Slightly soluble |
Gamma-octalactone is handled as a liquid raw material for blending into concentrates. Its alcohol solubility is useful in alcohol-based fragrance and flavor systems. The limited water solubility is relevant to products in which a concentrated aroma blend is subsequently introduced into a water-rich base.
The density and refractive-index figures above are typical physical data. Purity, acid value and other shipment acceptance limits are specified in the product specification for the offered grade.
Gamma-Octalactone Applications
Coconut, Cream and Dairy Flavors
Gamma-octalactone supplies coconut and creamy notes to flavor concentrates for commercial food manufacture. Its milky character fits coconut-cream and sweet dairy profiles, while the fruity undertone supports blends that combine dairy and fruit directions. The material functions as one aromatic component within the full flavor, alongside the ingredients that establish the remaining dairy, sweet or fruit notes. Food applications use material of the appropriate food-use grade, with destination-market requirements addressed for that grade.
Mango and Tropical Fruit Flavors
The fruity, creamy character is useful in tropical flavor blends, including mango-style compositions. Gamma-octalactone forms part of the lactonic portion of the blend, accompanying the ester and other aroma components that build the full fruit profile. In beverage flavor concentrates, its contribution is sensory, while the complete carrier system governs delivery into the drink. The resulting tropical character depends on the balance of the full flavor composition and its concentration in the finished product.
Coconut and Gourmand Fragrances
The sweet coconut character makes gamma-octalactone relevant to coconut-themed perfume compounds and gourmand compositions. Its creamy facet fits combinations of fruity, milky and sweet fragrance notes. The material can contribute to a prominent coconut theme or a softer lactonic accent within the perfume. In perfumed personal care products, the finished aroma reflects both the fragrance compound and the base into which it is incorporated.
Peach, Raspberry and Oakwood Fragrance Accords
Gamma-octalactone also has applications in peach, raspberry and oakwood fragrance themes. These uses extend its role beyond overt coconut compositions into fruity and woody perfume structures. A lactonic accent can form part of a more complex blend containing green, floral, fruit and wood materials. The creamy, fruity facet provides the link between this ingredient and these broader fragrance themes.
Green and Floral Tea Accords
Gamma-octalactone also appears in tea-inspired perfume compositions alongside green, floral, woody and musky ingredients. Such compositions can include linalool, phenyl ethyl alcohol, geraniol and coumarin, with the lactone forming a small part of the complete accord. In this application, it is a supporting aroma material within a blend containing several fragrance families. Its creamy, fruity character contributes one facet to the composition, while the balance of the other ingredients establishes the overall tea-inspired perfume theme.
Solubility in Fragrance and Flavor Systems
The combination of alcohol solubility and limited water solubility is a practical formulation characteristic of this ingredient. It fits suitable alcohol-based aroma concentrates. For water-rich finished products, its delivery depends on the complete concentrate, including the carrier and any emulsifying or solubilizing system used for that application.
A clear concentrate and a clear finished beverage are separate formulation outcomes. Dilution changes the solvent composition, so clarity in the concentrate does not establish clarity after addition to the finished base. For this reason, beverage applications use an appropriate flavor delivery system for the complete aroma blend.
Gamma-octalactone can be one component in a flavor concentrate using a mixed carrier system. Its presence in such a composition does not establish unlimited solubility in each individual carrier. The behavior of the complete blend depends on the proportions of aroma ingredients, solvents and water in that system.
Packaging, Storage and Commercial Supply
Commercial packing is 25 kg/drum, subject to confirmation for the order. MOQ, stock availability and dispatch date depend on the grade and order quantity. Unilong's general shipment timeframe is usually 7–15 days after order confirmation; the product-specific schedule is stated in the commercial offer.
Store the material in tightly closed containers in a cool, dry place protected from light. Keep the product in suitable, clean containers during storage and dispensing. The applicable SDS and product documentation govern handling, storage and shipment arrangements for the supplied material.
Product Documents
COA, TDS and SDS requests are handled with commercial supply enquiries. Food-use, natural-origin and certification documents are confirmed for the specific grade offered. Required declarations and destination-market documentation can be included with a bulk supply enquiry.
Why Choose Unilong for Commercial Supply
For commercial gamma-octalactone orders, Unilong supports buyers with inspection arrangements, approval before dispatch and export shipment coordination.
Independent Pre-Shipment Inspection
Third-party inspection through organizations such as SGS or CIQ can be arranged upon request. This gives your purchasing team an independent checkpoint before the consignment leaves the supplier.
Dispatch After Your Approval
Where pre-shipment approval is agreed for the order, we hold the cargo until your approval is received. Dispatch remains linked to your release decision.
Defined Quality and Quantity Responsibilities
We establish quality and quantity responsibilities with the supplying manufacturer. These terms provide a documented basis for addressing discrepancies against the agreed requirements.
Packing and Shipping Coordination
We coordinate packing and shipment according to the selected route and applicable transport requirements. This support covers the practical arrangements for dispatching your commercial order.
Further information is available on our Service and Support page.
Ordering from Unilong
For a bulk quotation, send the product name or CAS number, intended application, order quantity and destination. Add any required grade, packing or document requirements. Our order scope covers commercial manufacturing and bulk distribution; laboratory projects and laboratory orders are not accepted.
Procurement FAQ
What commercial packing is used?
The listed packing is 25 kg/drum. The container specification and MOQ are confirmed for the commercial order.
Can I order material for food flavor production?
Food-use grade availability and supporting documents are confirmed for the intended application and destination before order acceptance.
Can I arrange independent inspection before shipment?
Yes. Third-party pre-shipment inspection can be arranged upon request, with the scope and schedule agreed for the order.
Do you accept laboratory orders?
No. Unilong serves commercial manufacturing and bulk ingredient distribution and does not accept laboratory projects or laboratory orders.
Request Bulk Gamma-Octalactone Supply
Contact Unilong for gamma-octalactone CAS 104-50-7 for your commercial flavor or fragrance production requirement. Explore related raw materials in our Perfume & Flavor range.
