FlavScents AInsights Entry: Tangerine Acetate (CAS: 91482-37-0)

1. Identity & Chemical Information

• Common Name(s): Tangerine acetate
• IUPAC Name: 4-(2,2,3-Trimethyl-3-cyclopenten-1-yl)-3-buten-2-yl acetate
• CAS Number: 91482-37-0
• FEMA Number: Not available
• Other Identifiers: Not available
• Molecular Formula: C15H24O2
• Molecular Weight: 236.35 g/mol
• Functional Groups and Structure–Odor Relevance: Tangerine acetate is characterized by its acetate ester functional group, which is often associated with fruity and sweet odor profiles. The cyclopentenyl moiety contributes to its unique citrus-like aroma, making it relevant in both flavor and fragrance applications.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Tangerine acetate is known for its fresh, citrusy aroma reminiscent of tangerines. It exhibits a sweet, fruity character with moderate intensity and good diffusion. The compound is typically used as an impact note in formulations, providing a bright, uplifting citrus scent. While specific taste and odor thresholds are not well-documented, it is generally recognized for its ability to enhance the freshness and realism of citrus profiles in both flavors and fragrances.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Tangerine acetate is not commonly found in nature but can be synthesized through esterification processes involving acetic acid and alcohols derived from citrus sources. Its presence in natural products is typically as a trace component, contributing to the overall citrus aroma profile. The compound's synthetic production aligns with the criteria for "natural flavor" designation when derived from natural precursors.

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

4. Use in Flavors

Tangerine acetate is utilized in a variety of flavor applications, particularly in citrus-flavored beverages, candies, and desserts. It serves as a functional impact note, enhancing the authenticity and brightness of citrus flavors. Typical use levels in finished products range from 1 to 10 ppm, with higher concentrations potentially leading to overpowering effects. The compound is relatively stable under acidic conditions but may degrade under prolonged heat exposure.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

In the fragrance industry, tangerine acetate is employed in citrus and fruity fragrance families. It acts as a modifier and impact note, providing a fresh, zesty top note that enhances the overall brightness of the fragrance composition. Typical concentration ranges in formulations are from 0.1% to 1%, depending on the desired intensity. Its volatility makes it suitable for top note applications, contributing to the initial impression of the fragrance.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

• United States: Tangerine acetate does not have a specific FEMA GRAS number but is generally recognized as safe when used in accordance with good manufacturing practices.
• European Union: It is subject to the general provisions of Regulation (EC) No 1334/2008 on flavorings.
• United Kingdom: Post-Brexit regulations align closely with EU standards.
• Asia: Regulatory status varies; it is advisable to consult specific national guidelines in Japan, China, and ASEAN countries.
• Latin America: Generally follows international standards, but specific approvals may vary by country.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

Tangerine acetate is considered safe for use in food and fragrance applications when used within recommended levels. Oral exposure through flavor use is deemed low risk, with no specific ADI or MSDI established. Dermal exposure in fragrances is generally safe, with no significant irritation or sensitization reported. Inhalation exposure is minimal due to its low volatility. Overall, the risk profile does not significantly differ between food and fragrance applications.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Tangerine acetate is valued for its ability to impart a fresh, authentic citrus note to both flavors and fragrances. It synergizes well with other citrus and fruity compounds, enhancing the overall brightness and appeal of the formulation. Common pitfalls include overuse, which can lead to an overpowering aroma, and instability under high heat. It is often under-utilized in complex fragrance compositions where a subtle citrus lift is desired.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data on tangerine acetate is well-established in terms of its sensory profile and functional applications. However, specific regulatory approvals and toxicological data are less documented, requiring formulators to rely on industry-typical practices and general safety guidelines. Known data gaps include precise sensory thresholds and comprehensive regional regulatory details.

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 2026-09-08 10:44:26 GMT (p2)