Ingredient Record

3-Decen-2-One

Ten-carbon ketone with fruity, mushroom-like notes.

CAS 10519-33-2

HigherBar policy

No policy

No HigherBar policy on this ingredient.

Regulatory status

Approved in 2 of 7 tracked registries, under review in 1, no published record in 4.

See the status of each registry, with sources

What It Is

This unsaturated ketone is used in flavoring systems to provide fruity or mushroom-like notes. It is approved for food use in the US and has minimal regulatory restrictions.

Regulatory Record

What each registry publishes about 3-decen-2-one.

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 2 of 7 tracked registries, under review in 1, no published record in 4. Last verified Oct 1, 2026.

Published regulatory status for 3-Decen-2-One, 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)ApprovedflavorNo effective date published · Last verified Oct 1, 2026View the source document
United Kingdom (FSA)Under reviewflavorThis is a flavouring substance under evaluation/footnote flavouring. It is permitted for use, but the evaluation process has not been completed.Effective Dec 31, 2020 · Last verified Oct 1, 2026View the source document
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.

Keep Digging

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