FlavScents AInsights Entry for Tricyclodecenyl Propionate

1. Identity & Chemical Information

Tricyclodecenyl propionate, also known by its CAS number 17511-60-3, is a synthetic fragrance and flavor compound. Its IUPAC name is 4,7,7-trimethyltricyclo[5.2.1.0^{2,6}]dec-4-en-8-yl propanoate. The molecular formula is C13H20O2, with a molecular weight of 208.3 g/mol. This compound features a tricyclic structure with a propionate ester functional group, which contributes to its unique olfactory properties. The presence of the ester group is significant for its odor profile, providing a fruity and floral character.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Tricyclodecenyl propionate is characterized by a fresh, floral, and fruity odor with nuances reminiscent of lily of the valley and apple. It is often described as having a moderate intensity and good diffusion, making it suitable for both top and middle notes in fragrance compositions. The compound is typically used as an impact note, providing a clean and uplifting scent profile. Specific taste and odor thresholds are not well-documented, but it is generally used in low concentrations to achieve the desired sensory effect.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Tricyclodecenyl propionate is not known to occur naturally and is synthesized for use in flavor and fragrance applications. Its formation involves the esterification of tricyclodecenol with propionic acid. As a synthetic compound, it does not qualify for "natural flavor" or "natural fragrance" designations under most regulatory frameworks, which typically require derivation from natural sources.

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

4. Use in Flavors

In flavor applications, tricyclodecenyl propionate is used to impart a fresh, fruity note, often in apple or floral flavor profiles. It is commonly employed in confectionery, beverages, and baked goods. Typical use levels in finished products range from 0.5 to 5 ppm, depending on the desired intensity and the matrix of the product. The compound is relatively stable under typical processing conditions, although it may degrade under extreme heat or acidic conditions.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

Tricyclodecenyl propionate is widely used in the fragrance industry, particularly in floral and fruity compositions. It is found in a variety of product types, including perfumes, personal care products, and household cleaners. The compound serves as a modifier and impact note, contributing to the top and middle notes of a fragrance. Typical concentration ranges in formulations are from 0.1% to 1%, depending on the desired effect and product type. Its volatility allows it to contribute to the initial impression of a fragrance.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

In the United States, tricyclodecenyl propionate is recognized as Generally Recognized as Safe (GRAS) for use in flavors by FEMA. In the European Union, it is regulated under Regulation (EC) No 1334/2008, and its use is subject to specific purity criteria. The compound is also approved for use in flavors in the United Kingdom, following similar guidelines as the EU. In Asia, including Japan and China, it is permitted for use in flavors and fragrances, although specific regulations may vary. In Latin America, countries like Brazil and members of MERCOSUR have harmonized regulations that allow its use in both flavors and fragrances.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

Tricyclodecenyl propionate is considered safe for use in flavors and fragrances at typical exposure levels. For oral exposure, the compound has a high margin of safety, with no adverse effects reported at typical use levels. Dermal exposure in fragrance applications is generally well-tolerated, with low potential for irritation or sensitization. Inhalation exposure is considered safe for occupational settings, given its low volatility and typical use concentrations. Overall, the risk profiles for food and fragrance applications are similar, with no significant differences noted.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Tricyclodecenyl propionate is valued for its ability to impart a fresh, floral, and fruity character to both flavors and fragrances. It synergizes well with other floral and fruity notes, enhancing the overall complexity and appeal of a formulation. Common pitfalls include overuse, which can lead to an overpowering or artificial scent. It is often under-utilized in formulations seeking a subtle, naturalistic effect. Formulators should consider its stability and compatibility with other ingredients to optimize its performance.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data on tricyclodecenyl propionate is well-established, with comprehensive information available from authoritative sources. Industry practices are well-documented, although some specific sensory thresholds and regulatory nuances may require further clarification. Known data gaps include detailed toxicological studies and specific regional regulatory differences, which should be monitored for updates.

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 2026-09-02 14:17:31 GMT (p2)