FlavScents AInsights Entry for Allyl 2-Furoate (CAS: 4208-49-5)

1. Identity & Chemical Information

• Common Name(s): Allyl 2-furoate
• IUPAC Name: Prop-2-en-1-yl furan-2-carboxylate
• CAS Number: 4208-49-5
• FEMA Number: Not available
• Other Identifiers: FL number not available; CoE number not available; IFRA reference not available
• Molecular Formula: C8H8O3
• Molecular Weight: 152.15 g/mol

Allyl 2-furoate is characterized by its ester functional group, which contributes to its fruity and sweet odor profile. The furan ring is a key structural component influencing its aromatic properties, often associated with nutty and caramel-like notes.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Allyl 2-furoate is known for its sweet, fruity aroma with nuances of pineapple and apple. It exhibits moderate intensity and diffusion, making it suitable as an impact note in flavor compositions. The compound's odor threshold is not clearly reported, but it is typically used to impart a fresh, fruity character in formulations.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Allyl 2-furoate is not commonly found in nature but can be synthesized through esterification processes involving allyl alcohol and furoic acid. It is not typically associated with natural flavor or fragrance designations due to its synthetic origin.

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

4. Use in Flavors

Allyl 2-furoate is utilized in various flavor categories, including fruit and confectionery. It serves as an impact note, enhancing the fruity and sweet profiles of products. Typical use levels in finished food or beverages range from 1 to 10 ppm, with higher concentrations potentially leading to overpowering effects. The compound is relatively stable under normal conditions but may degrade under extreme heat or acidic conditions.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

In fragrance applications, allyl 2-furoate is used in fruity and gourmand fragrance families. It acts as a modifier, adding a sweet, fruity nuance to compositions. Typical concentration ranges are from trace amounts to 0.5%, depending on the desired intensity. It contributes primarily to the top and middle notes due to its moderate volatility.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

• United States: Allyl 2-furoate does not have a specific FEMA GRAS status.
• European Union: Not explicitly listed under Regulation (EC) No 1334/2008.
• United Kingdom: Follows EU regulations post-Brexit with no specific divergence reported.
• Asia: Limited information available; typically follows international guidelines.
• Latin America: No specific regulatory information available; generally aligns with international standards.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

• Oral Exposure: Data not found for ADI or MSDI; typical use levels suggest low risk when used within industry norms.
• Dermal Exposure: No specific IFRA restrictions; generally considered non-irritating at typical fragrance concentrations.
• Inhalation Exposure: Moderate volatility suggests potential for inhalation exposure; no specific occupational hazards reported.

Overall, allyl 2-furoate is considered safe for use in flavors and fragrances when adhering to standard industry practices.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Allyl 2-furoate is valued for its ability to impart a fresh, fruity character to both flavors and fragrances. It synergizes well with other fruity esters and can enhance the overall complexity of a formulation. Formulators should be cautious of its potential to dominate a blend if used excessively, and it is often under-utilized in savory applications where a hint of sweetness is desired.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data on allyl 2-furoate is well-established in terms of its sensory profile and typical use levels. However, there are gaps in specific regulatory approvals and toxicological data, which are common for less widely used compounds. Industry practices often rely on informed estimates and analogs for guidance.

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 2026-08-27 21:54:53 GMT (p2)