Description

Trihexylphosphine Oxide is a versatile organophosphorus compound widely used as a highly effective extractant and phase transfer catalyst. Its primary commercial value lies in its exceptional ability to selectively bind and separate rare earth elements and precious metals in hydrometallurgical processes. This makes it a critical reagent for companies in the mining, metal refining, and nuclear fuel reprocessing industries. Its utility also extends into advanced material synthesis and specialized organic transformations.

Application

• Rare Earth Element (REE) Separation: A key extractant for the solvent extraction and purification of lanthanides like neodymium, dysprosium, and yttrium.
• Precious Metal Recovery: Used in the extraction and refining of gold, platinum group metals, and other valuable metals from ores and secondary sources.
• Nuclear Fuel Cycle: Employed in the reprocessing of spent nuclear fuel for the separation of uranium, plutonium, and minor actinides.
• Catalysis: Serves as a ligand or catalyst in various organic synthesis reactions, including cross-coupling and polymerization.
• Analytical Chemistry: Utilized as a complexing agent in spectrophotometric analysis and other analytical techniques for metal ion detection.
• Specialty Chemical Synthesis: Acts as an intermediate or reagent in the production of advanced materials, flame retardants, and other specialty chemicals.

Basic Information

Product Name	Trihexylphosphine Oxide
CAS No.	3084-48-8
Molecular Formula	C₁₈H₃₉OP
Molecular Weight	302.48 g/mol
Synonyms	Tri-n-hexylphosphine Oxide; THPO; Hexylphosphine Oxide, Tri-; Phosphine Oxide, Trihexyl-; Trihexylphosphane Oxide; TOHPO; (Hexyl)₃P=O; Trihexyloxophosphorane
EINECS	221-402-4

Quality Control

Our Trihexylphosphine Oxide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay by titration or HPLC, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support our global clients with documentation relevant to supply chain regulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	48 - 52 °C
Loss on Drying	≤ 0.5%

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