FlavScents AInsights Entry

1. Identity & Chemical Information

• Common Name(s): Not widely recognized by a common name.
• IUPAC Name: Hexanedioic acid, polymer with 1,3-butanediol and 1,2-propanediol, 2-ethylhexyl ester
• CAS Number: 73018-26-5
• FEMA Number: Not applicable
• Other Identifiers: No additional identifiers such as FL number or CoE number are available.
• Molecular Formula and Molecular Weight: As a polymer, it does not have a fixed molecular formula or molecular weight.
• Functional Groups and Structure–Odor Relevance: This material is a polymeric ester, which may influence its sensory properties, particularly in terms of volatility and diffusion.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

• Odor and Flavor Descriptors: The material is likely to have a mild, waxy odor due to its ester nature, although specific descriptors are not well-documented.
• Taste and/or Odor Thresholds: Data not found.
• Typical Sensory Role: It may serve as a background modifier in formulations, providing subtle textural or diffusion properties rather than a distinct odor or flavor impact.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

• Known Natural Sources: This polymer is synthetic and does not occur naturally.
• Formation Pathways: It is produced through the polymerization of hexanedioic acid with 1,3-butanediol and 1,2-propanediol, followed by esterification with 2-ethylhexanol.
• Relevance to “Natural Flavor” or “Natural Fragrance” Designation: As a synthetic polymer, it does not qualify for natural designations.

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

4. Use in Flavors

• Flavor Categories and Applications: Limited use in flavor applications due to its polymeric nature.
• Functional Role in Flavor Systems: Primarily used for its textural properties rather than flavor impact.
• Typical Use Levels: Data not found. Use levels would be low, likely in the range of trace ppm, if used at all.
• Stability Considerations: Generally stable under typical food processing conditions, but specific stability data is not available.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

• Fragrance Families and Product Types: May be used in personal care products for its textural properties.
• Functional Role: Acts as a modifier or base note, providing a subtle, waxy background.
• Typical Concentration Ranges: Data not found. Likely used in low concentrations.
• Volatility and Top/Middle/Base Contribution: Likely contributes to base notes due to its polymeric nature and low volatility.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

• United States (FDA / FEMA GRAS): Not explicitly listed as GRAS.
• European Union (Reg. (EC) No 1334/2008; FL number status): Not listed.
• United Kingdom: Follows EU regulations post-Brexit; not listed.
• Asia (Japan, China, ASEAN): Data not found.
• Latin America (e.g., Brazil, MERCOSUR): Data not found.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

• Oral Exposure: Data not found. Likely low risk due to polymeric nature and low usage levels.
• Dermal Exposure: Generally considered safe for use in personal care products, but specific data on irritation or sensitization is not available.
• Inhalation Exposure: Low volatility suggests minimal inhalation risk.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

• Why This Material is Valuable: Provides textural properties and stability in formulations.
• Typical Synergies: May be used with other esters or waxy compounds to enhance texture.
• Common Formulation Pitfalls: Overuse can lead to undesirable waxy textures.
• Situations Where It is Frequently Over- or Under-used: Often under-used due to lack of distinct sensory impact.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

• Well-Established Data: Limited due to the material's niche application.
• Industry-Typical but Undocumented Practices: Usage in personal care products for texture.
• Known Data Gaps or Regulatory Ambiguities: Lack of specific sensory and regulatory data.

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
• Toxicology section covers oral, dermal, inhalation
• Regulatory section mentions US, EU, UK, Asia, Latin America
• If complex natural material: includes section 5a (not applicable here)

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 2026-08-14 08:41:59 GMT (p2)