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437166 Sigma-Aldrich

2-Phenyl-5-benzimidazolesulfonic acid

96%

Synonym: Ensulizole

  • CAS Number 27503-81-7

  • Empirical Formula (Hill Notation) C13H10N2O3S

  • Molecular Weight 274.30

  •  MDL number MFCD00053007

  •  PubChem Substance ID 24867351

  •  NACRES NA.22

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Properties

Related Categories Benzimidazoles, Building Blocks, Chemical Synthesis, Heterocyclic Building Blocks, Materials Science,
Quality Level   100
assay   96%
mp   >300 °C (lit.)
solubility   ethanol and water: soluble (as sodium salt)
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

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.

Packaging

50, 250 g in poly bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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