Ingredient Record

2,5-Undecadienal

2,5-Undecadienal is a flavor aldehyde with fatty, fruity, vegetable-like notes.

CAS 91254-00-1

HigherBar policy

No policy

No HigherBar policy on this ingredient.

Regulatory status

Approved in 1 of 7 tracked registries, no published record in 6.

See the status of each registry, with sources

What It Is

2,5-Undecadienal is a conjugated diene aldehyde that occurs naturally in some foods as a lipid oxidation product. It's used in trace amounts in synthetic flavor compositions to contribute fatty, fruity, or green vegetable notes.

Regulatory Record

What each registry publishes about 2,5-undecadienal.

Every row comes from a published regulator source, linked so you can read it yourself. "Prohibited" means a regulator has affirmatively banned it; "not authorized" means it has never been cleared for that use there. The two are not the same thing, so we never collapse them.

Approved in 1 of 7 tracked registries, no published record in 6. Last verified Oct 1, 2026.

Published regulatory status for 2,5-Undecadienal, one row per registry.
RegistryStatusPublished record
United States (FDA)Approvedfood additiveTechnical effect: FLAVORING AGENT OR ADJUVANTNo effective date published · Last verified Oct 1, 2026View the source document
European Union (EFSA)No published dataOur sources hold no evidenced record here. That is not a clearance and not a ban.
United Kingdom (FSA)No published dataOur sources hold no evidenced record here. That is not a clearance and not a ban.
Codex Alimentarius (JECFA)No published dataOur sources hold no evidenced record here. That is not a clearance and not a ban.
Japan (CAA)No published dataOur sources hold no evidenced record here. That is not a clearance and not a ban.
Australia & New Zealand (FSANZ)No published dataOur sources hold no evidenced record here. That is not a clearance and not a ban.
Canada (Health Canada)No published dataOur sources hold no evidenced record here. That is not a clearance and not a ban.

We publish only evidenced regulatory rows, each with its source. Coverage is uneven across registries, and a missing row is reported as missing.

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