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HC YELLOW NO. 12

CAS 59320-13-7
30

Safety score · 0–100

Caution

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

About

Hc Yellow No. 12 is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

HC Yellow No. 12 is an azo disperse dye (C.I. 48056) used as a semi-permanent hair dye intermediate. Under EU Regulation (EC) No 1223/2009 Annex II/1325, it is listed as a restricted hair dye substance. The compound carries restrictions typical of oxidative hair dye precursors and may be used only in professional salon products with specific in-use concentration limits. Azo dyes are subject to special scrutiny under EU regulation due to potential for reduction cleavage to carcinogenic aromatic amines. EU cosmetics law requires that hair dyes carrying this restriction be labeled with specific hazard information and packed in black containers to prevent accidental use in non-professional settings.

Known concerns

  • EU Annex II/1325 restricted hair dye
  • Azo dye - potential for reductive cleavage to aromatic amines
  • Professional use only
  • Mandatory black container packaging in EU
  • Sensitization 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 — always read the physical product label and consult a healthcare professional for personal concerns.