Ingredient Record

2-Hydroxy-5-Methyl-3-Hexanone

A volatile compound with fruity, complex notes used in flavor compositions.

CAS 246511-74-0

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-Hydroxy-5-methyl-3-hexanone is a ketone alcohol delivering butterscotch, fruit, and caramel-like character at low levels. Used in savory and sweet flavor blends; approved for food use in major systems.

Regulatory Record

What each registry publishes about 2-hydroxy-5-methyl-3-hexanone.

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-Hydroxy-5-Methyl-3-Hexanone, one row per registry.
RegistryStatusPublished record
United States (FDA)ApprovedgrasTechnical 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.

Keep Digging

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Paste a product's full ingredient list and get this same record for every ingredient we can identify, plus an honest "not recognized" for the rest.