Acid Yellow 1
✓ EU AllowedIdentification
CAS Number 846-70-8
EINECS / EC 212-690-2
CosIng Ref 30383
Chemical Name disodium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate
IUPAC Name —
Formula C10H4N2Na2O8S
Mol. Weight 358.19 g/mol
SMILES C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-].[Na+].[Na+]
InChIKey CTIQLGJVGNGFEW-UHFFFAOYSA-L
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
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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