FlavScents AInsights Entry for Octyl Decanoate (CAS: 2306-92-5)

1. Identity & Chemical Information

• Common Name(s): Octyl decanoate
• IUPAC Name: Octyl decanoate
• CAS Number: 2306-92-5
• FEMA Number: Data not found
• Other Identifiers: FL number not found; CoE number not found; IFRA reference not found
• Molecular Formula: C18H36O2
• Molecular Weight: 284.48 g/mol
• Functional Groups and Structure–Odor Relevance: Octyl decanoate is an ester, a functional group known for contributing fruity and floral notes in both flavors and fragrances. The ester linkage in octyl decanoate is responsible for its characteristic odor profile, which is often described as waxy or fruity.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

• Odor and Flavor Descriptors: Octyl decanoate is characterized by a mild, waxy, and fruity odor. It is often described as having a subtle, sweet, and slightly floral scent, which can contribute to the overall complexity of a fragrance or flavor profile.
• Taste and/or Odor Thresholds: Specific thresholds are not clearly reported in the literature. However, esters like octyl decanoate typically have low odor thresholds, making them effective at low concentrations.
• Typical Sensory Role: In formulations, octyl decanoate is often used as a background note to enhance the overall realism and depth of fruity and floral compositions.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

• Known Natural Sources: Octyl decanoate is not commonly found in nature but can be synthesized through esterification processes.
• Formation Pathways: It is typically produced via the esterification of decanoic acid with octanol, a reaction that can be catalyzed by acids.
• Relevance to “Natural Flavor” or “Natural Fragrance” Designation: As a synthesized compound, octyl decanoate may not qualify for "natural" labeling unless derived from natural precursors through approved processes.

Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs

4. Use in Flavors

• Flavor Categories and Applications: Octyl decanoate is used in fruit-flavored products, particularly those mimicking tropical or stone fruits.
• Functional Role in Flavor Systems: It acts as a modifier, enhancing the fruity notes and providing a smooth, waxy background.
• Typical Use Levels: Documented use levels are not readily available. Industry-typical estimates suggest usage in the range of 1-10 ppm in finished products, depending on the desired intensity.
• Stability Considerations: Octyl decanoate is relatively stable under normal storage conditions but may hydrolyze under extreme pH conditions or prolonged heat exposure.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

• Fragrance Families and Product Types: Commonly used in floral and fruity fragrance families, suitable for personal care products and fine fragrances.
• Functional Role: Acts as a modifier, providing subtle waxy and fruity notes that enhance the overall fragrance profile.
• Typical Concentration Ranges: Typically used at concentrations of 0.1-1% in fragrance formulations.
• Volatility and Top/Middle/Base Contribution: Octyl decanoate contributes to the middle notes, offering a lasting fruity and waxy character.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

• United States (FDA / FEMA GRAS): Not explicitly listed as GRAS by FEMA; usage should comply with general safety standards.
• European Union (Reg. (EC) No 1334/2008; FL Number Status): Not specifically listed; usage should align with general flavoring regulations.
• United Kingdom (Post-Brexit Alignment or Divergence): Follows EU regulations unless specified otherwise.
• Asia (Japan, China, ASEAN): Regulatory status not clearly reported; formulators should verify compliance with local regulations.
• Latin America (e.g., Brazil, MERCOSUR): Specific regulatory information not found; general safety and compliance with local standards are advised.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

• Oral Exposure: No specific ADI or MSDI values found; typical usage levels in flavors are considered safe based on industry practices.
• Dermal Exposure: Generally regarded as safe for use in fragrances; no significant irritation or sensitization reported.
• Inhalation Exposure: Low volatility reduces inhalation risk; occupational exposure should follow standard safety guidelines.
• Risk Profiles: No significant differences in risk profiles between food and fragrance applications.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

• Why This Material is Valuable: Octyl decanoate provides a unique waxy and fruity note that enhances the complexity of both flavors and fragrances.
• Typical Synergies: Works well with other esters and fruity compounds to create balanced profiles.
• Common Formulation Pitfalls: Overuse can lead to an overly waxy or artificial character; balance with other notes is crucial.
• Situations Where It is Frequently Over- or Under-Used: Often under-used in complex formulations where its subtlety can enhance depth without overpowering other notes.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

• Well-Established Data: Basic chemical and sensory properties are well-documented.
• Industry-Typical but Undocumented Practices: Usage levels and sensory roles are often based on industry experience rather than formal studies.
• Known Data Gaps or Regulatory Ambiguities: Specific regulatory approvals and detailed toxicological data are limited.

Citation hooks: FlavScents

QA Check

• [x] All required sections 1-9 are present
• [x] "Citation hooks:" line is present under each section
• [x] Flavor section includes ppm ranges
• [x] Toxicology section covers oral, dermal, inhalation
• [x] Regulatory section mentions US, EU, UK, Asia, Latin America
• [x] If complex natural material: includes section 5a (Not applicable)

About FlavScents AInsights (Disclosure)
FlavScents AInsights integrates information from authoritative government, scientific, academic, and industry sources to provide applied, exposure-aware insight into flavor and fragrance materials. Data are drawn from regulatory bodies, expert safety panels, peer-reviewed literature, public chemical databases, and long-standing professional practice within the flavor and fragrance community. Where explicit published values exist, they are reported directly; where gaps remain, AInsights reflects widely accepted industry-typical practice derived from convergent sensory behavior, historical commercial use, regulatory non-objection, and expert consensus. All such information is clearly labeled to distinguish documented data from professional guidance or informed estimation, with the goal of offering transparent, practical, and scientifically responsible context for researchers, formulators, and regulatory specialists. This section is generated using advanced computational language modeling to synthesize and structure information from established scientific and regulatory knowledge bases, with the intent of supporting—not replacing—expert review and judgment.

Generated 2026-04-24 02:12:39 GMT (p2)