Date published: 2025-12-20

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Trioctylphosphine (CAS 4731-53-7)

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Alternate Names:
Tri-n-octylphosphine
CAS Number:
4731-53-7
Purity:
≥90%
Molecular Weight:
370.64
Molecular Formula:
C24H51P
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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Trioctylphosphine is a phosphine ligand widely utilized in inorganic and materials chemistry, particularly for its role in the synthesis of nanomaterials. It acts as a stabilizing agent and a ligand for metal precursors in the preparation of quantum dots, which are semiconductor nanocrystals with size-dependent optical and electronic properties. These quantum dots have applications in optoelectronics, photovoltaics, and as fluorescence tags in imaging studies. In organometallic chemistry, trioctylphosphine is used to modulate the reactivity and stability of metal complexes, which is fundamental to catalysis research. It is also a key component in the development of new reactions, where its bulky organic groups can influence the steric environment around reactive centers. Furthermore, trioctylphosphine′s ability to solubilize and stabilize metal nanoparticles makes it an invaluable reagent for creating catalysts with high surface areas and has implications for the study of reaction mechanisms at the nanoparticle surface.


Trioctylphosphine (CAS 4731-53-7) References

  1. Growth and stability of ZnTe magic-size nanocrystals.  |  Groeneveld, E., et al. 2011. Small. 7: 1247-56. PMID: 21480520
  2. Trioctylphosphine as self-assembly inducer.  |  Okram, GS., et al. 2015. Faraday Discuss. 181: 211-23. PMID: 25917190
  3. Solid/liquid extraction equilibria of phenolic compounds with trioctylphosphine oxide impregnated in polymeric membranes.  |  Praveen, P. and Loh, KC. 2016. Chemosphere. 153: 405-13. PMID: 27031803
  4. Effect of Particle Size on the Magnetic Properties of Ni Nanoparticles Synthesized with Trioctylphosphine as the Capping Agent.  |  Ishizaki, T., et al. 2016. Nanomaterials (Basel). 6: PMID: 28335300
  5. Ultrathin Epitaxial Cu@Au Core-Shell Nanowires for Stable Transparent Conductors.  |  Niu, Z., et al. 2017. J Am Chem Soc. 139: 7348-7354. PMID: 28482149
  6. Trioctylphosphine-assisted morphology control of ZnO nanoparticles.  |  Hong, YK., et al. 2018. Nanotechnology. 29: 225602. PMID: 29513266
  7. Ligand-Mediated Nucleation and Growth of Palladium Metal Nanoparticles.  |  Mozaffari, S., et al. 2018. J Vis Exp.. PMID: 29985367
  8. Tailored transition metal-doped nickel phosphide nanoparticles for the electrochemical oxygen evolution reaction (OER).  |  Man, HW., et al. 2018. Chem Commun (Camb). 54: 8630-8633. PMID: 30019714
  9. 3D printing of radioactive phantoms for nuclear medicine imaging.  |  Läppchen, T., et al. 2020. EJNMMI Phys. 7: 22. PMID: 32323035
  10. Ligand-Induced Luminescence Transformation in AgInS2 Nanoparticles: From Defect Emission to Band-Edge Emission.  |  Hirase, A., et al. 2020. J Phys Chem Lett. 11: 3969-3974. PMID: 32353234
  11. Role of the amine and phosphine groups in oleylamine and trioctylphosphine in the synthesis of copper chalcogenide nanoparticles.  |  Mbewana-Ntshanka, NG., et al. 2020. Heliyon. 6: e05130. PMID: 33241131
  12. Trioctylphosphine accelerated growth of InP quantum dots at low temperature.  |  Zhang, X., et al. 2021. Nanotechnology. 33: PMID: 34670196
  13. Phase-selective synthesis of lead-free CsMnBr3 and Cs3MnBr5 nanocrystals dependent on solvent concentration.  |  Kang, TW., et al. 2022. Opt Lett. 47: 1806-1809. PMID: 35363740
  14. Red-Emitting Latex Nanoparticles by Stepwise Entrapment of β-Diketonate Europium Complexes.  |  Park, HW., et al. 2022. Int J Mol Sci. 23: PMID: 36555596
  15. Structural Size Effect in Capped Metallic Nanoparticles.  |  Moreira Da Silva, C., et al. 2023. ACS Nano. 17: 5663-5672. PMID: 36917747

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Trioctylphosphine, 25 ml

sc-296638
25 ml
$42.00

Trioctylphosphine, 500 ml

sc-296638A
500 ml
$480.00