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Benzothiazole intermediate (non-cosmetic)

2-METHYLBENZOTHIAZOLE

CAS 120-75-2
20

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

An industrial chemical used to make rubber accelerators and dyes, not skincare. Benzothiazoles are well-known skin sensitisers from rubber allergy studies and are not listed for cosmetic use.

Skin benefits

  • Industrial intermediate for dyes, rubber accelerators and fluorescent brighteners; no cosmetic role
  • Appears in regulatory lists for completeness rather than because it appears in products

Known concerns

  • Benzothiazoles are recognised skin sensitisers and a common cause of allergic contact dermatitis from rubber contact
  • REACH dossiers flag concerns for aquatic toxicity and persistence
  • Not approved on EU CosIng as a cosmetic ingredient
  • Studies have raised mutagenicity questions in some bacterial assays

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.