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9,10-Anthracenedione, 1,4-bis [(2,3-dihydroxypropyl)amino]-

CAS 99788-75-7
48

Safety score · 0–100

Moderate

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

A blue anthraquinone hair dye intermediate used to impart permanent colour, this substance carries an aquatic toxicity classification and is restricted to a maximum of 0.3% in finished cosmetic products.

This compound is HC Blue No. 14, an anthraquinone-type oxidative hair dye intermediate. Its hazard profile includes H411 (aquatic chronic toxicity) and is regulated under EU Annex III with a maximum permitted concentration of 0.3% in ready-for-use preparations. The anthraquinone scaffold provides strong tinctorial power but raises moderate environmental concern due to persistence in aquatic systems.

Known concerns

  • Aquatic chronic toxicity H411
  • Skin and eye irritation potential

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.