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2,4,5-Trimethylthiazole

CAS 13623-11-5

2,4,5-Trimethylthiazole chemical structure

Concern score

Not assessed — no hazard data yet.

2,4,5-Trimethylthiazole in plain language

What it is

Also known as 2,4,5-TRIMETHYL thiazole · 2,4,5-Trimethyl-1,3-thiazole · Thiazole, 2,4,5-TRIMETHYL · 2,5-Trimethylthiazole · A1AFC · Thiazole, 2,4,5-trimethyl-

Show all 12 names

Thiazole, trimethyl- · Trimethylthiazole · Trioctyltrimellitate · UNII-6393273PE0 · trimethyl thiazole · trimethyl-1,3-thiazole

What it does

Used in consumer products as a fragrance ingredient and a flavouring.

  • Fragrance
  • Flavouring
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. 2,4,5-Trimethylthiazole appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Fragrance.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Fragrance.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for 2,4,5-Trimethylthiazole yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated February 8, 2019

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed 2,4,5-Trimethylthiazole in a product composition. These are source records, not Greenveil catalog products.

Named organisations

3

Typical roles

FragranceFlavouring
See products using 2,4,5-Trimethylthiazole →