FlavScents AInsights Entry for Allyl Cyclohexyl Propionate (CAS: 2705-87-5)

1. Identity & Chemical Information

• Common Name(s): Allyl cyclohexyl propionate
• IUPAC Name: Propanoic acid, 2-propenyl ester, cyclohexyl ester
• CAS Number: 2705-87-5
• FEMA Number: 2030
• Other Identifiers: FL No. 09.271
• Molecular Formula: C12H20O2
• Molecular Weight: 196.29 g/mol

Allyl cyclohexyl propionate is characterized by its ester functional group, which is crucial for its fruity and floral odor profile. The ester linkage contributes to its volatility and sensory attributes, making it a valuable component in both flavor and fragrance formulations.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Allyl cyclohexyl propionate is known for its sweet, fruity, and floral aroma, reminiscent of pineapple and apple. It exhibits moderate intensity and diffusion, making it suitable as an impact note in formulations. The compound's odor threshold is relatively low, allowing it to impart noticeable character even at minimal concentrations.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Allyl cyclohexyl propionate is not commonly found in nature but can be synthesized through esterification processes involving allyl alcohol and cyclohexyl propionic acid. Its synthetic origin does not preclude its use in "natural flavor" designations, provided it meets regulatory criteria for such labeling.

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

4. Use in Flavors

Allyl cyclohexyl propionate is utilized in various flavor categories, including fruit and confectionery. It serves as an impact note, enhancing the fruity character of formulations. Typical use levels range from 1 to 10 ppm in finished products, with stability considerations including moderate resistance to heat and pH variations.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

In fragrance applications, allyl cyclohexyl propionate is employed in floral and fruity compositions. It acts as a modifier and impact note, contributing to the top and middle notes of a fragrance. Typical concentrations range from 0.1% to 1% in formulations, with its volatility supporting its role in the initial impression of a scent.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

• United States: Recognized as GRAS by FEMA for flavor use.
• European Union: Listed under Regulation (EC) No 1334/2008 with an assigned FL number.
• United Kingdom: Aligns with EU regulations post-Brexit.
• Asia: Approved for use in Japan and China, with specific concentration limits.
• Latin America: Generally accepted in Brazil and MERCOSUR countries, subject to local regulations.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

• Oral Exposure: Considered safe for consumption at typical flavor use levels, with a high margin of safety.
• Dermal Exposure: Low potential for irritation or sensitization, compliant with IFRA standards.
• Inhalation Exposure: Volatility necessitates consideration in occupational settings, though generally regarded as safe.

Risk profiles are consistent across food and fragrance applications, with no significant differences noted.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Allyl cyclohexyl propionate is valued for its ability to impart a fresh, fruity character to both flavors and fragrances. It synergizes well with other esters and fruity compounds. Formulators should be cautious of overuse, which can lead to an overpowering or artificial aroma.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

Data on allyl cyclohexyl propionate is well-established, with comprehensive sensory and regulatory information available. Industry practices are well-documented, though some regional regulatory nuances may require further verification.

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 2026-04-10 04:21:42 GMT (p2)