DISPERSE BLACK 9
⚠ EU RestrictedIdentification
CAS Number 20721-50-0
EINECS / EC 243-987-5
CosIng Ref 75939
Chemical Name 2-[4-[(4-aminophenyl)diazenyl]-N-(2-hydroxyethyl)anilino]ethanol
IUPAC Name —
Formula C16H20N4O2
Mol. Weight 300.36 g/mol
SMILES C1=CC(=CC=C1N)N=NC2=CC=C(C=C2)N(CCO)CCO
InChIKey NZKTVPCPQIEVQT-UHFFFAOYSA-N
Function & Classification
Primary Function HAIR DYEING
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
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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