FlavScents AInsights Entry for (Z)-9-tricosene (CAS: 27519-02-4)
1. Identity & Chemical Information
- Common Name(s): (Z)-9-tricosene
- IUPAC Name: (Z)-tricos-9-ene
- CAS Number: 27519-02-4
- FEMA Number: Not applicable
- Other Identifiers: Not applicable
- Molecular Formula: C23H46
- Molecular Weight: 322.61 g/mol
- Functional Groups and Structure–Odor Relevance: (Z)-9-tricosene is a long-chain hydrocarbon with a double bond at the 9th position, contributing to its role as a pheromone in certain insect species. Its structure is significant for its low volatility and specific interaction with olfactory receptors.
Citation hooks: FlavScents; PubChem; FEMA
2. Sensory Profile
- Odor and Flavor Descriptors: (Z)-9-tricosene is primarily known for its role as a pheromone rather than a flavor or fragrance compound. It has a subtle, waxy odor that is not typically used for sensory impact in human applications.
- Taste and/or Odor Thresholds: Data not found.
- Typical Sensory Role: In the context of human use, (Z)-9-tricosene is not typically employed for its sensory properties but rather for its functional role in insect behavior modification.
Citation hooks: FlavScents; peer-reviewed sensory literature
3. Natural Occurrence & Formation
- Known Natural Sources: (Z)-9-tricosene is naturally found in the cuticular hydrocarbons of certain insects, notably in the Drosophila species and some ants, where it functions as a sex pheromone.
- Formation Pathways: It is biosynthesized in insects through elongation and desaturation of fatty acids.
- Relevance to “Natural Flavor” or “Natural Fragrance” Designation: While it occurs naturally, its primary use is not in flavor or fragrance applications but in entomological studies and pest control.
Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs
4. Use in Flavors
- Flavor Categories and Applications: (Z)-9-tricosene is not typically used in flavor applications due to its lack of significant flavor characteristics.
- Functional Role in Flavor Systems: Not applicable.
- Typical Use Levels: Not applicable.
- Stability Considerations: As a long-chain hydrocarbon, it is relatively stable but not typically subjected to flavor formulation conditions.
Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature
5. Use in Fragrances
- Fragrance Families and Product Types: (Z)-9-tricosene is not commonly used in fragrance formulations for human products.
- Functional Role: Its primary role is in insect behavior modification rather than human fragrance applications.
- Typical Concentration Ranges: Not applicable.
- Volatility and Top/Middle/Base Contribution: Due to its low volatility, it does not contribute significantly to fragrance profiles.
Citation hooks: FlavScents; IFRA; fragrance chemistry texts
6. Regulatory Status (Regional Overview)
- United States (FDA / FEMA GRAS): Not listed as GRAS for flavor or fragrance use.
- European Union (Reg. (EC) No 1334/2008; FL number status): Not applicable for flavor use.
- United Kingdom (post-Brexit alignment or divergence): Follows EU regulations; not applicable.
- Asia (Japan, China, ASEAN): No specific approvals for flavor or fragrance use.
- Latin America (e.g., Brazil, MERCOSUR): No specific approvals for flavor or fragrance use.
Citation hooks: FEMA; EFSA; national authority publications
7. Toxicology, Safety & Exposure Considerations
- Oral Exposure: Not applicable for flavor use; no ADI or MSDI established.
- Dermal Exposure: Limited data; not typically used in dermal applications.
- Inhalation Exposure: Low volatility reduces inhalation risk; primarily relevant in occupational settings for pest control.
- Risk Profiles: Primarily relevant to entomological applications rather than human exposure.
Citation hooks: EFSA; FEMA; PubChem; toxicology literature
8. Practical Insights for Formulators
- Why This Material is Valuable: Its primary value lies in its role as an insect pheromone, useful in pest control and entomological research.
- Typical Synergies: Not applicable in flavor or fragrance formulations.
- Common Formulation Pitfalls: Not relevant for human product formulations.
- Situations Where It is Frequently Over- or Under-used: Overuse is not a concern in human applications; underused in pest control without proper understanding of its pheromonal role.
Citation hooks: FlavScents; industry practice
9. Confidence & Data Quality Notes
- Well-Established Data: Its role as an insect pheromone is well-documented.
- Industry-Typical but Undocumented Practices: Limited to pest control applications.
- Known Data Gaps or Regulatory Ambiguities: Lack of data for human flavor or fragrance applications.
Citation hooks: FlavScents
QA Check
- All required sections 1–9 are present
- “Citation hooks:” line is present under each section
- Flavor section includes ppm ranges: Not applicable
- Toxicology section covers oral, dermal, inhalation
- Regulatory section mentions US, EU, UK, Asia, Latin America
- 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 2026-03-21 07:33:24 GMT (p2)