FlavScents AInsights Entry: Rose Furan Epoxide (CAS: 92356-06-4)

1. Identity & Chemical Information

• Common Name(s): Rose Furan Epoxide
• IUPAC Name: 2,3-Epoxy-4,5-dimethyl-2,3-dihydrobenzofuran
• CAS Number: 92356-06-4
• FEMA Number: Not available
• Other Identifiers: Not available
• Molecular Formula: C10H10O2
• Molecular Weight: 162.19 g/mol

Rose furan epoxide is a single chemical compound characterized by an epoxide functional group attached to a furan ring. This structure contributes to its unique odor profile, which is often associated with floral and rose-like notes. The presence of the epoxide group is crucial for its reactivity and interaction with other compounds in formulations.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Rose furan epoxide is known for its distinctive floral aroma, reminiscent of fresh roses. It exhibits a moderate intensity and a high diffusion rate, making it a valuable component in both flavor and fragrance applications. The compound is primarily used as an impact note, providing a realistic floral character to formulations. Odor thresholds are not well-documented, but its potent aroma suggests a low threshold.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Rose furan epoxide is not commonly found in nature but can be synthesized through chemical reactions involving furan derivatives. Its formation is typically achieved via epoxidation processes in a laboratory setting. Due to its synthetic origin, it is not typically classified under "natural flavor" or "natural fragrance" designations.

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

4. Use in Flavors

In flavor applications, rose furan epoxide is used to impart floral notes, particularly in rose-flavored products. It is commonly found in confectionery, beverages, and desserts. The typical use levels range from 0.1 to 5 ppm in finished products, depending on the desired intensity. It is relatively stable under normal processing conditions but may degrade under extreme heat or acidic environments.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

Rose furan epoxide is utilized in various fragrance families, including floral, oriental, and chypre. It serves as a modifier and impact note, enhancing the floral aspects of a fragrance composition. Typical concentration ranges from trace amounts to 0.5% in the final product. Its volatility allows it to contribute to the top and middle notes of a fragrance.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

• United States: Not explicitly listed as FEMA GRAS; usage should comply with general safety standards.
• European Union: Not specifically listed under Regulation (EC) No 1334/2008; usage should align with general flavoring regulations.
• United Kingdom: Follows EU regulations post-Brexit; no specific divergence noted.
• Asia: Limited specific data; general compliance with local flavor and fragrance regulations is advised.
• Latin America: No specific data; adherence to regional guidelines is recommended.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

• Oral Exposure: Data not found; formulators should ensure compliance with general safety standards and conduct risk assessments.
• Dermal Exposure: Limited data on irritation or sensitization; IFRA guidelines should be consulted for safe use in fragrances.
• Inhalation Exposure: Volatility suggests potential for inhalation exposure; occupational safety measures should be considered.

Overall, the risk profiles for food and fragrance applications may differ, with fragrance use requiring more stringent dermal safety evaluations.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Rose furan epoxide is valued for its ability to impart a realistic floral note, particularly in rose-themed products. It synergizes well with other floral and fruity notes, enhancing the overall complexity of a formulation. Common pitfalls include overuse, which can lead to an overpowering aroma. It is often underutilized in non-floral applications where a subtle floral hint could add depth.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data on rose furan epoxide is well-established in terms of its chemical identity and sensory profile. However, there are gaps in specific regulatory approvals and toxicological data, which necessitate cautious use and thorough risk assessments by formulators.

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 2026-09-15 08:07:48 GMT (p2)