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SOLVENT RED 73

CAS 38577-97-8 / 518-40-1
48

Safety score · 0–100

Moderate

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

About

A synthetic azo dye used as a colorant in cosmetic products, but restricted in the EU under Annex II/1336.

Solvent Red 73 (CAS 518-40-1, also reported as 38577-97-8) is a synthetic dye classified as an azo compound. It is listed in EU Cosmetics Regulation 1223/2009 Annex II (prohibited substances) under reference II/1336, indicating significant regulatory restriction for cosmetic use. Azo dyes can be metabolized to aromatic amines, some of which are known carcinogens, though this risk depends on the specific azo compound and its reduction products. The specific EU restriction for Solvent Red 73 indicates the EU has identified concerns that preclude its use in cosmetic products. Restricted use - not approved as a cosmetic colorant in the EU market.

Known concerns

  • EU Annex II restricted (II/1336)
  • Azo dye - potential for carcinogenic amine formation
  • Not approved as cosmetic colorant in EU

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 — always read the physical product label and consult a healthcare professional for personal concerns.