Date published: 2025-11-30

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Tetraoctylphosphonium bromide (CAS 23906-97-0)

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CAS Number:
23906-97-0
Purity:
>95%
Molecular Weight:
563.76
Molecular Formula:
C32H68P•Br
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Tetraoctylphosphonium bromide (TOPB) stands as an organophosphonium salt. Its versatility manifests in its utilization as a reagent in organic synthesis, a catalyst for diverse reactions, and a surfactant for various biochemical pursuits. Within the realm of scientific research, Tetraoctylphosphonium bromide finds abundant use. Its role spans from serving as a reagent in organic synthesis to catalyzing a broad spectrum of reactions. Furthermore, Tetraoctylphosphonium bromide plays a significant role in the synthesis of polymers and other materials, contributing to the exploration of protein structures and the properties of biomolecules. As a cationic surfactant, Tetraoctylphosphonium bromide engages in hydrogen bonding with the hydrophilic groups of proteins and other biomolecules. This interaction disrupts the molecular structure, resulting in observable alterations in their properties and behavior.


Tetraoctylphosphonium bromide (CAS 23906-97-0) References

  1. Iridium nanocrystal synthesis and surface coating-dependent catalytic activity.  |  Stowell, CA. and Korgel, BA. 2005. Nano Lett. 5: 1203-7. PMID: 16178211
  2. Huge Seebeck coefficients in nonaqueous electrolytes.  |  Bonetti, M., et al. 2011. J Chem Phys. 134: 114513. PMID: 21428638
  3. Alkyltrioctylphosphonium chloride ionic liquids: synthesis and physicochemical properties.  |  Adamová, G., et al. 2011. Dalton Trans. 40: 12750-64. PMID: 21996935
  4. Dielectric and shear relaxations of ionic liquid composed of symmetric ions.  |  Yamaguchi, T. and Koda, S. 2014. J Chem Phys. 141: 144503. PMID: 25318731
  5. Role of Halides in the Ordered Structure Transitions of Heated Gold Nanocrystal Superlattices.  |  Yu, Y., et al. 2015. Langmuir. 31: 6924-32. PMID: 26013597
  6. Thermophysical properties of phosphonium-based ionic liquids.  |  Bhattacharjee, A., et al. 2015. Fluid Phase Equilib. 400: 103-113. PMID: 26435574
  7. Recovery of Metals from Electronic Waste-Printed Circuit Boards by Ionic Liquids, DESs and Organophosphorous-Based Acid Extraction.  |  Łukomska, A., et al. 2022. Molecules. 27: PMID: 35956933

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Tetraoctylphosphonium bromide, 5 g

sc-237075
5 g
$86.00

Tetraoctylphosphonium bromide, 25 g

sc-237075A
25 g
$278.00