4-Aminobenzenesulfonic acid (Sulfanilic acid) and its salts, when used as a substance in hair dye products
⚠ EU RestrictedIdentification
CAS Number 121-57-3 / 515-74-2
EINECS / EC 204-482-5 / 208-208-5
CosIng Ref 31102
Function & Classification
EU Regulatory Status
SCCS Opinion View SCCS opinion →
Safety Profile
No toxicology data available yet for this ingredient.
Check SCCS opinions or CIR reports for published safety assessments.
NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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