Tri-n-octylphosphine oxide, 98%

Name: Tri-n-octylphosphine oxide, 98%
SKU: A11062.22

CAS: 78-50-2 | C24H51OP | 386.645 g/mol

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Catalog number A11062.22

also known as A11062-22

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100 g

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Chemical Identifiers

CAS78-50-2

IUPAC Name1-(dioctylphosphoryl)octane

Molecular FormulaC24H51OP

InChI KeyZMBHCYHQLYEYDV-UHFFFAOYSA-N

SMILESCCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC

Specifications

Specification Sheet

Melting Point (clear melt)50-57?C

Identification (FTIR)Conforms

Appearance (Color)White to cream or pale yellow

Assay (GC)≥97.5%

FormCrystals or powder or crystalline powder or flakes and/or fused solid/chunks

Tri-n-octylphosphine oxide is a solvent used in the extraction of metals, especially uranium, zirconium and hafnium. It is also used as an auxiliary reagent in the solvent extraction of metals. It is also used to extract hydrogen bonding organic compounds. Further, it is useful as a capping ligand for the production of quantum dots, such as those consisting of cadmium selenide.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Tri-n-octylphosphine oxide is a solvent used in the extraction of metals, especially uranium, zirconium and hafnium. It is also used as an auxiliary reagent in the solvent extraction of metals. It is also used to extract hydrogen bonding organic compounds. Further, it is useful as a capping ligand for the production of quantum dots, such as those consisting of cadmium selenide.

Solubility
Soluble in chloroform, toluene and hexane. Insoluble in water.

Notes
Incompatible with strong oxidizing agents.

RUO – Research Use Only

General References:

Used in the extraction of various metals into organic solvents.
Ren, C.; Hao, J.; Chen, H.; Wang, K.; Wu, D. Prepare core-multishell CdSe/ZnS nanocrystals with pure color and controlled emission by tri-n-octylphosphine-assisted method. Appl. Surf. Sci. 2015, 353, 480-488.
Grimes, T. S.; Zalupski, P. R.; Martin, L. R. Features of the Thermodynamics of Trivalent Lanthanide/Actinide Distribution Reactions by Tri-n-octylphosphine Oxide and Bis(2-ethylhexyl) Phosphoric Acid. J. Phys. Chem. B 2014, 118 (44), 12725-12733.