437166

2-Phenyl-5-benzimidazolesulfonic acid

96%

• Synonym(s): Ensulizole
• Empirical Formula (Hill Notation): C₁₃H₁₀N₂O₃S
• CAS Number: 27503-81-7
• Molecular Weight: 274.30
• NACRES: NA.22
• PubChem Substance ID: 24867351
• UNSPSC Code: 12352100
• MDL number: MFCD00053007
• Assay: 96%

Properties

• Quality Segment: 100
• assay: 96%
• mp: >300 °C (lit.)
• solubility: ethanol and water: soluble (as sodium salt)
• functional group: phenyl, sulfonic acid
• SMILES string: OS(=O)(=O)c1ccc2[nH]c(nc2c1)-c3ccccc3
• InChI: 1S/C13H10N2O3S/c16-19(17,18)10-6-7-11-12(8-10)15-13(14-11)9-4-2-1-3-5-9/h1-8H,(H,14,15)(H,16,17,18)
• InChI key: UVCJGUGAGLDPAA-UHFFFAOYSA-N

Description

General description

2-Phenyl-5-benzimidazolesulfonic acid has been reported as UV filter. It is a xenobiotic compound detected in in gray water from houses and effluents of the biological treatment systems (aerobic, anaerobic, and combined anaerobic+aerobic). It is a micropollutant of personal care products and its removal from aerobically treated grey water by ozonation and adsorption onto activated carbon has been reported.

Application

UV absorber

2-Phenyl-5-benzimidazolesulfonic acid was used for the fabrication of biomimetic sensor for determination of 4-methylbenzylidene camphor (4-MBC), an ultraviolet (UV) radiation protector.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable