Acid Blue 9
✓ EU AllowedIdentification
CAS Number 3844-45-9
EINECS / EC 223-339-8
CosIng Ref 31613
Chemical Name Dihydrogen (ethyl)[4-[4-[ethyl(3-sulphonatobenzyl)]amino]-2'-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium, disodium salt (CI 42090)
Formula C37H34N2Na2O9S3
Mol. Weight 792.9 g/mol
Function & Classification
Primary Function Colorant
Origin Synthetic
Category Colorants & Pigments
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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