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TRIFERRIC AQUA HYDROXY OXO BIS-TRIMESATE

CAS 1257379-83-1
48

Safety score · 0–100

Moderate

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

About

An iron-based organic complex used as a cosmetic colorant, carrying GHS warnings for skin, eye, and respiratory irritation.

This ferric (Fe³⁺) organic complex with mesotricarboxylic acid structure is used primarily as an iron-based colorant in cosmetic formulations. GHS classification includes H315 (skin irritation), H319 (serious eye irritation), and H335 (respiratory irritation), all contributing to its lower safety score. EU Regulation (EC) No 1223/2009 permits iron-based colorants with specified purity criteria under Annex IV. This substance is not listed in Annex II (prohibited) or Annex III (restricted) for this specific entry. Metal sensitivity reactions are possible in sensitized individuals.

Skin benefits

  • coloring agent (iron-based)
  • cosmetic colorant

Known concerns

  • skin irritation (H315)
  • eye irritation (H319)
  • respiratory irritation (H335)
  • potential metal sensitivity

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.