Isoamyl 2-methylbutyrate is a branched fruity ester used in flavor and fragrance work and appears in the AromaForge archive as a notable constituent of khella seed oil. The strongest live evidence is for identity, flavor-use safety review, and natural occurrence rather than for direct wellness activity. Archive-safe positioning is that isoamyl 2-methylbutyrate is primarily an aroma and composition marker with modest semiochemical and occurrence literature and clear gaps around constituent-specific human pharmacology.
Aroma and practical use
- Use the recorded fruity, sweet, apple-like, berry-like, green descriptors to explore a blend's scent character; perceived strength also depends on the other ingredients.
- Review the flagged use concerns across every contributing oil and the selected dilution.
- Read the route, preparation and experimental context before using a study finding to choose an oil.
Reported benefits and effects
Findings retain their study context. An animal or laboratory result describes that experiment.
A WHO JECFA entry reports no safety concern at current levels of intake when isoamyl 2-methylbutyrate is used as a flavouring agent.
A WHO JECFA entry reports no safety concern at current levels of intake when isoamyl 2-methylbutyrate is used as a flavouring agent.
The source assessment applies to its specified exposure and preparation; this entry is not an unrestricted-use clearance.
The FAO flavouring specification lists isoamyl 2-methylbutyrate as a colorless liquid with a fruity odour and confirms its identity fields, formula, and flavoring status.
The FAO flavouring specification lists isoamyl 2-methylbutyrate as a colorless liquid with a fruity odour and confirms its identity fields, formula, and flavoring status.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
A 2024 study on Clavigralla elongata identified isoamyl 2-methylbutyrate as a male-specific volatile and reported antennal detection by male and female bugs as well as the parasitoid Gryon fulviventris.
A 2024 study on Clavigralla elongata identified isoamyl 2-methylbutyrate as a male-specific volatile and reported antennal detection by male and female bugs as well as the parasitoid Gryon fulviventris.
This experimental finding does not establish benefit, dose or safety in people using this blend.
The same 2024 study reported that pheromone-baited traps confirmed an aggregation-pheromone role in field trials.
The same 2024 study reported that pheromone-baited traps confirmed an aggregation-pheromone role in field trials.
This experimental finding does not establish benefit, dose or safety in people using this blend.
Use concerns and concentration limits
Sensitization concernFlagged
Flagged in the constituent reference; assess the source, route and finished-product concentration.
Phototoxicity concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Oxidation concernNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
Penetration enhancementNot flagged
Not flagged in the current model. This is not proof of absence or unrestricted safety.
A recorded constituent reference, not a recommended oil dilution. Product category, source applicability and all contributing oils must be checked before use.
unverified reference · No source provenance attachedWHO JECFA reports no safety concern at current levels of intake for flavoring use.
The source assessment applies to its specified exposure and preparation; this entry is not an unrestricted-use clearance.
No constituent-specific public dermal maximum or dedicated aromatherapy topical safety monograph was verified in this pass.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
No direct public citation is attached to this entry.
Constituents it may interact with
No constituent-pair interaction is recorded for this identity. The report does not assume either amplification or incompatibility.
How the effects were investigated
Likely ester hydrolysis by carboxylesterases
This is a chemistry-based inference from general ester metabolism rather than a direct mechanistic study on isoamyl 2-methylbutyrate itself.
This reference does not establish a therapeutic result or a safe use level for a custom oil blend.
Insect semiochemical signaling
A 2024 field and electrophysiology study identified the ester as a male-specific volatile detected by both sexes of Clavigralla elongata and by a parasitoid natural enemy.
This experimental finding does not establish benefit, dose or safety in people using this blend.
What this report cannot establish
- A reported constituent percentage does not establish an effective human therapeutic dose or the amount absorbed into the body.
- The presence of a constituent does not guarantee a clinical benefit, rash treatment or sleep improvement from a custom blend.
- An unflagged concern or missing use limit does not establish safety for ingestion, inhalation, skin exposure or a particular person.
- A candidate constituent interaction does not establish that two oils amplify one another at the selected proportions.
- Constituent descriptors alone do not establish a precise top, heart or base lifetime in a finished blend.
Known data gaps (5)
- No direct human clinical study focused on isolated isoamyl 2-methylbutyrate was verified in this pass.
- Mechanistic handling is inferred from general ester metabolism rather than direct testing on this constituent.
- Public constituent-specific dermal safety limits were not located.
- The numeric dermal reference lacks source provenance; a verified flag alone is insufficient.
- Some findings do not record an explicit exposure route; consult the linked study before applying them to a use.