Date published: 2025-10-14

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4-(Triphenylphosphonio)butane-1-sulfonate (CAS 164982-05-2)

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Alternate Names:
Phosphonium, triphenyl(4-sulfobutyl)-, inner salt
Application:
4-(Triphenylphosphonio)butane-1-sulfonate is a reactant for synthesis of sulfonyl-functionalized ionic liquids
CAS Number:
164982-05-2
Molecular Weight:
398.46
Molecular Formula:
C22H23O3PS
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4-(Triphenylphosphonio)butane-1-sulfonate, also known as TPBS, is a widely used sulfonate compound in scientific research. It possesses a unique chemical structure that renders it highly suitable for various applications in the field of science. As a water-soluble compound, 4-(Triphenylphosphonio)butane-1-sulfonate finds extensive use as a surfactant or counterion in diverse biochemical and biophysical experiments.This compound finds broad application in scientific research. Specifically, it functions as a surfactant in micellar electrokinetic chromatography (MEKC) and capillary electrophoresis (CE), enhancing the separation of charged analytes. Additionally, 4-(Triphenylphosphonio)butane-1-sulfonate serves as a counterion in ion exchange chromatography to improve the separation of proteins and other biomolecules. It is also utilized as a reagent in biochemical assays, including enzyme assays and protein-protein interaction studies.


4-(Triphenylphosphonio)butane-1-sulfonate (CAS 164982-05-2) References

  1. Highly efficient, inverted polymer solar cells with indium tin oxide modified with solution-processed zwitterions as the transparent cathode.  |  Sun, K., et al. 2012. ACS Appl Mater Interfaces. 4: 2009-17. PMID: 22475017
  2. An Increase in Open-circuit Photo-voltage of Inverted Polymer Solar Cells by Pre-treatment Applying Forward Bias Under UV-cut Light Irradiation  |  Kuwabara, T., Minami, T., Kusumi, T., Yamaguchi, T., Taima, T., & Takahashi, K. 2017. Electrochemistry. 85(5): 262-265.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-(Triphenylphosphonio)butane-1-sulfonate, 2.5 g

sc-299341
2.5 g
$370.00