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

1. Identity & Chemical Information

• Common Name(s): Allyl Cyclohexyl Propionate
• IUPAC Name: Propanoic acid, 3-cyclohexylprop-2-en-1-yl 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 an ester compound characterized by its allyl and cyclohexyl groups. The ester linkage contributes to its fruity and floral odor profile, which is significant in both flavor and fragrance applications. The cyclohexyl group imparts a certain degree of hydrophobicity, influencing its volatility and diffusion characteristics.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Allyl cyclohexyl propionate is known for its sweet, fruity, and floral aroma, often described as reminiscent of pineapple with a hint of apple. It exhibits moderate intensity and good 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. It is typically used to enhance the fruity notes in both flavor and fragrance compositions, providing a sense of freshness and realism.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Allyl cyclohexyl propionate does not occur naturally in significant quantities and is primarily synthesized for industrial use. Its formation involves the esterification of allyl alcohol with cyclohexyl propionic acid. This synthetic origin means it is not typically classified under "natural flavor" or "natural fragrance" designations, although it can be used in natural-identical formulations.

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

4. Use in Flavors

Allyl cyclohexyl propionate is utilized in a variety of flavor applications, particularly in fruit-flavored products such as beverages, candies, and baked goods. It serves as a key impact note, enhancing the overall fruitiness and providing a fresh, juicy character. Typical use levels in finished products range from 1 to 10 ppm, with higher concentrations potentially leading to overpowering effects. The compound is 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

In the fragrance industry, allyl cyclohexyl propionate is valued for its ability to impart a fresh, fruity note to compositions. It is commonly used in floral and fruity fragrance families, contributing to both top and middle notes. Typical concentrations in fragrance formulations range from 0.1% to 1%, depending on the desired intensity and product type. Its volatility allows it to provide an initial burst of freshness, while its moderate tenacity helps maintain the fragrance profile over time.

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 FL No. 09.271.
• United Kingdom: Aligns with EU regulations post-Brexit.
• Asia: Approved for use in Japan and China, with specific restrictions varying by country.
• Latin America: Generally accepted in Brazil and MERCOSUR countries, subject to local regulations.

While allyl cyclohexyl propionate is widely approved, formulators should verify specific regional requirements and any recent regulatory updates.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

For oral exposure, allyl cyclohexyl propionate is considered safe at typical flavor use levels, with a high margin of safety. Dermal exposure in fragrance applications is generally well-tolerated, though it may cause irritation in sensitive individuals. IFRA guidelines provide specific usage limits to mitigate sensitization risks. Inhalation exposure is minimal due to its low volatility, but occupational safety measures should be observed during handling.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Allyl cyclohexyl propionate is prized for its ability to enhance fruity notes and provide a fresh, realistic character. It synergizes well with other esters and aldehydes, particularly in tropical and floral compositions. Formulators should be cautious of its potency, as overuse can lead to an artificial or cloying effect. It is often underutilized in complex blends where its subtlety can add depth without dominating the profile.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data on allyl cyclohexyl propionate is well-established, with comprehensive sensory and safety profiles documented in industry literature. While regulatory frameworks are generally harmonized, formulators should remain aware of any regional nuances. Some industry practices, such as specific ppm ranges, may not be extensively documented but are supported by expert consensus.

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 10:41:36 GMT (p2)