N1-(2-Hydroxyethyl)-4-nitro-o-phenylenediamine (HC Yellow No 5) and its salts, when used as a substance in hair dye products
⚠ EU RestrictedIdentification
CAS Number 56932-44-6
EINECS / EC 260-450-0
CosIng Ref 31130
Chemical Name 2-(2-amino-4-nitroanilino)ethanol
IUPAC Name —
Formula C8H11N3O3
Mol. Weight 197.19 g/mol
SMILES C1=CC(=C(C=C1[N+](=O)[O-])N)NCCO
InChIKey OWMQBFHMJVSJSA-UHFFFAOYSA-N
Function & Classification
EU Regulatory Status
SCCS Opinion View SCCS opinion →
Safety Profile
No toxicology data available yet for this ingredient.
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NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
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Usage Level % · Addition Phase · Solubility
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