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Colorant

CI 11920

CAS 2051-85-6 Updated
35

Safety score · 0–100

Caution

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

About

An azo yellow dye (CI 11920). Restricted in EU cosmetics, with skin and respiratory irritation flags and concerns common to azo colorants. Not appropriate for most modern cosmetic uses.

Skin benefits

  • Yellow azo colorant historically used in cosmetics

Known concerns

  • Azo dye — concerns over aniline degradation products
  • Skin and respiratory irritation per GHS
  • Not on EU positive list for many cosmetic uses
  • Restricted use under EU cosmetic regulation
  • Sensitization potential

References

EU

EU CosIng database

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

Related colorants

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