4,4'-DIAMINODIPHENYLAMINE SULFATE

Other

40

Caution

CAS Number: 6369-04-6

About 4,4'-DIAMINODIPHENYLAMINE SULFATE

An aromatic amine used primarily in hair dye formulations with EU restrictions due to skin sensitization and acute toxicity concerns.

Detailed Analysis

4,4'-Diaminodiphenylamine sulfate (CAS 6369-04-6) carries EU restriction II/1309, indicating it is permitted in cosmetic products but with specific constraints, likely as a hair dye intermediate. Hazard statements include H302 (acute oral toxicity), H312 (dermal toxicity), H315 (skin irritation), H319 (eye irritation), and H332 (inhalation toxicity). Hair dye intermediates in this class are known skin sensitizers and require appropriate use level controls.

Known Concerns

  • ⚠ Acute toxicity (H302, H312, H332)
  • ⚠ Skin and eye irritation (H315, H319)
  • ⚠ EU restricted (II/1309)
  • ⚠ Known skin sensitizer

Safety Score

40

Caution

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.