FlavScents AInsights Entry for Tetrahydrocarvone (CAS: 59471-80-6)
1. Identity & Chemical Information
- Common Name(s): Tetrahydrocarvone
- IUPAC Name: 2-Methyl-5-(prop-1-en-2-yl)cyclohexanone
- CAS Number: 59471-80-6
- FEMA Number: Not available
- Other Identifiers: Not available
- Molecular Formula: C10H18O
- Molecular Weight: 154.25 g/mol
Tetrahydrocarvone is a saturated monoterpenoid ketone. Its structure is characterized by a cyclohexanone ring with a methyl and an isopropenyl group, contributing to its odor profile. The functional groups present in tetrahydrocarvone, particularly the ketone group, are crucial for its odor characteristics, which are often described as minty and fresh.
Citation hooks: FlavScents; PubChem; FEMA
2. Sensory Profile
Tetrahydrocarvone is known for its minty, fresh, and slightly herbal odor. It is often used to impart a cooling sensation, similar to menthol, but with a less intense profile. The compound is typically used as a modifier in fragrance compositions to add freshness and enhance the overall scent profile. The odor threshold for tetrahydrocarvone is not well-documented, but it is generally considered to have a moderate intensity.
Citation hooks: FlavScents; peer-reviewed sensory literature
3. Natural Occurrence & Formation
Tetrahydrocarvone is not commonly found in nature but can be synthesized through the hydrogenation of carvone, a naturally occurring compound found in caraway and dill. This synthetic pathway allows for its use in both natural and synthetic flavor and fragrance applications, depending on the regulatory definitions of "natural" in different regions.
Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs
4. Use in Flavors
Tetrahydrocarvone is used in flavor formulations to provide a minty and fresh note, often in conjunction with other minty compounds to create a balanced profile. It is commonly used in confectionery, chewing gum, and oral care products. Typical use levels in finished products range from 1 to 10 ppm, with higher concentrations potentially leading to an overpowering minty note. The compound is stable under typical processing 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, tetrahydrocarvone is used to add freshness and a minty character to various fragrance families, including fougère and citrus. It serves as a modifier or impact note, enhancing the overall scent profile. Typical concentrations in fragrance formulations range from 0.1% to 1%, depending on the desired intensity. Tetrahydrocarvone is considered a top to middle note due to its moderate volatility.
Citation hooks: FlavScents; IFRA; fragrance chemistry texts
6. Regulatory Status (Regional Overview)
- United States: Tetrahydrocarvone is not explicitly listed as GRAS by FEMA, but its use in flavors is generally accepted under the assumption of safety based on structural similarity to other GRAS compounds.
- European Union: Not specifically listed under Regulation (EC) No 1334/2008; its use is subject to general safety assessments.
- United Kingdom: Follows EU regulations post-Brexit, with no specific divergence reported.
- Asia: Limited specific data; generally follows international safety assessments.
- Latin America: No specific regulations identified; typically follows international standards.
Citation hooks: FEMA; EFSA; national authority publications
7. Toxicology, Safety & Exposure Considerations
- Oral Exposure: No specific ADI or MSDI established; considered safe at typical flavor use levels based on structural analogs.
- Dermal Exposure: Limited data on irritation or sensitization; generally considered low risk in fragrance applications.
- Inhalation Exposure: Moderate volatility suggests potential for inhalation exposure, but no specific occupational hazards identified.
Overall, tetrahydrocarvone is considered safe for use in both flavor and fragrance applications, with no significant differences in risk profiles between these uses.
Citation hooks: EFSA; FEMA; PubChem; toxicology literature
8. Practical Insights for Formulators
Tetrahydrocarvone is valued for its ability to impart a fresh, minty note without the intensity of menthol. It synergizes well with other minty and herbal compounds, enhancing the overall freshness of a formulation. Common pitfalls include overuse, leading to an overpowering minty character, and instability under extreme conditions. It is often under-utilized in complex fragrance compositions where subtle freshness is desired.
Citation hooks: FlavScents; industry practice
9. Confidence & Data Quality Notes
The data on tetrahydrocarvone is well-established in terms of its chemical identity and sensory profile. However, specific regulatory and toxicological data are less documented, relying on industry-typical practices and structural analogs for safety assessments. Known data gaps include specific regulatory approvals and detailed toxicological studies.
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 2026-07-07 06:13:44 GMT (p2)