Phenylbenzimidazole Sulfonic Acid
⚠ EU RestrictedIdentification
CAS Number 27503-81-7
EINECS / EC 248-502-0
CosIng Ref 36535
Chemical Name 2-phenyl-3H-benzimidazole-5-sulfonic acid
IUPAC Name —
Formula C13H10N2O3S
Mol. Weight 274.3 g/mol
InChIKey UVCJGUGAGLDPAA-UHFFFAOYSA-N
Function & Classification
Primary Function UV Filter
Secondary Functions UV ABSORBER; UV FILTER
EU Regulatory Status
Max Leave-on 8%
Max Rinse-off 8%
Restrictions Max 8%
Conditions of Use Max 8% (as acid) in sunscreen products. pH adjusted.
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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