Description

Phosphine Oxide, Tris(2,4,4-Trimethylpentyl)- is a high-purity organophosphorus compound, specifically a tertiary phosphine oxide, valued for its role as a versatile extractant and phase transfer catalyst. This compound is critical for processes requiring selective metal ion separation and efficient chemical synthesis. It is primarily sought by manufacturers and R&D facilities in the hydrometallurgy, fine chemical synthesis, and nuclear fuel reprocessing industries.

Application

• Solvent Extraction in Hydrometallurgy: Key extractant for the separation and purification of rare earth elements, zirconium, hafnium, and other valuable metals from ores and process streams.
• Nuclear Fuel Cycle Processing: Used in the PUREX and related processes for the selective extraction and recovery of uranium and plutonium from spent nuclear fuel.
• Catalysis: Acts as a ligand or catalyst in various organic synthesis reactions, including cross-coupling and polymerization processes.
• Chemical Intermediate: Serves as a precursor for the synthesis of more complex phosphine oxide derivatives and specialized ligands.
• Analytical Chemistry: Employed in analytical separation techniques for the preconcentration and detection of specific metal ions.
• Pharmaceutical Intermediates: Potential use in the synthesis of advanced pharmaceutical intermediates where specific phosphorus-containing functional groups are required.

Basic Information

Product Name	Phosphine Oxide, Tris(2,4,4-Trimethylpentyl)-
CAS No.	99345-83-2
Molecular Formula	C27H57OP
Molecular Weight	428.72 g/mol
Synonyms	Tris(2,4,4-trimethylpentyl)phosphine oxide; Cyanex 923 (major component); Triisooctylphosphine oxide; TOPhO; TIOPhO; Phosphine oxide, triisooctyl-; TRI-ISO-OCTYLPHOSPHINE OXIDE
EINECS	Contact for details

Quality Control

Our production of Tris(2,4,4-Trimethylpentyl)phosphine Oxide adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability for critical industrial applications. Each lot is analyzed to confirm key parameters such as active component content and impurity profile. Certificates of Analysis (COA) documenting purity, identity, and other relevant specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 92.0% (as Cyanex 923 component)
Density (20°C)	~0.88 g/mL
Refractive Index (n20D)	~1.454
Water Content	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.