5,12-Dihydro-2,9-dimethylquino[2,3-b]acridine-7,14-dione

Other

62

Moderate

CAS Number: 16043-40-6; 980-26-7

About 5,12-Dihydro-2,9-dimethylquino[2,3-b]acridine-7,14-dione

A synthetic quinacridone pigment used as a colorant in rinse-off cosmetic products. Generally stable with low solubility.

Detailed Analysis

This quinacridone derivative (CI 73915) is a polycyclic organic pigment with high chemical stability and extremely low aqueous solubility. It is permitted as a colorant in rinse-off cosmetic products. Quinacridone pigments are considered relatively inert, though their use is restricted to rinse-off formulations as a precautionary measure due to limited long-term dermal exposure data.

Known Concerns

  • restricted to rinse-off products only
  • limited safety data for leave-on use

Safety Score

62

Moderate

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.