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
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
Suppliers & Documents
Documents