HC YELLOW NO. 17
⚠ EU RestrictedIdentification
CAS Number 1450801-55-4
CosIng Ref 91911
Chemical Name 4-[4-[(E)-2-(2,4,5-trimethoxyphenyl)ethenyl]pyridin-1-ium-1-yl]-N-[2-[2-[4-[4-[(E)-2-(2,4,5-trimethoxyphenyl)ethenyl]pyridin-1-ium-1-yl]butanoylamino]ethyldisulfanyl]ethyl]butanamide dichloride
IUPAC Name —
Formula C44H56Cl2N4O8S2
Mol. Weight 904 g/mol
SMILES COC1=CC(=C(C=C1C=CC2=CC=[N+](C=C2)CCCC(=O)NCCSSCCNC(=O)CCC[N+]3=CC=C(C=C3)C=CC4=CC(=C(C=C4OC)OC)OC)OC)OC.[Cl-].[Cl-]
InChIKey AKLXDQVGGRLLPJ-VCHVFRDLSA-N
Function & Classification
Primary Function HAIR DYEING
EU Regulatory Status
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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