Benzophenone-4
⚠ EU RestrictedIdentification
CAS Number 4065-45-6
EINECS / EC 223-772-2
CosIng Ref 32143
Chemical Name 5-benzoyl-4-hydroxy-2-methoxybenzenesulfonic acid
IUPAC Name —
Formula C14H12O6S
Mol. Weight 308.31 g/mol
InChIKey CXVGEDCSTKKODG-UHFFFAOYSA-N
Function & Classification
Primary Function UV Filter
Secondary Functions UV ABSORBER; UV FILTER
Origin Synthetic
EU Regulatory Status
Max Leave-on 5%
Max Rinse-off 5%
Restrictions Max 5%
Conditions of Use Max 5% in sunscreen (as acid) / max 10% as sodium salt in rinse-off hair.
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