Ingredient Record

2,4-Dimethyl-5-Vinylthiazole

A thiazole compound used as a flavoring agent.

CAS 65505-18-2

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

2,4-Dimethyl-5-vinylthiazole belongs to the thiazole family, sulfur-nitrogen compounds often associated with roasted and savory notes formed during cooking. Food makers use it in trace amounts as a flavoring agent. The FDA lists it as an approved flavoring agent.

Regulatory Record

What each registry publishes about 2,4-dimethyl-5-vinylthiazole.

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 2,4-Dimethyl-5-Vinylthiazole, 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)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.

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