Description

Dihexyl(Methyl)Phosphine Oxide is a versatile organophosphorus compound that serves as a highly effective extractant and phase transfer catalyst. Its value lies in its ability to selectively complex with and separate specific metal ions from complex aqueous solutions, a critical process in modern industrial chemistry. This product is essential for professionals in the hydrometallurgy, nuclear fuel reprocessing, and rare earth element separation industries, where precise metal recovery and purification are paramount.

Application

• Solvent Extraction in Hydrometallurgy: Key extractant for the recovery and purification of valuable metals like cobalt, nickel, and copper from leach solutions.
• Rare Earth Element (REE) Separation: Used in liquid-liquid extraction processes to separate individual lanthanides due to its selective complexation properties.
• Nuclear Fuel Cycle Processing: Employed in the PUREX and related processes for the separation of uranium, plutonium, and fission products.
• Catalyst and Ligand in Organic Synthesis: Acts as a ligand for transition metal catalysts or as a catalyst itself in phosphorylation and other organometallic reactions.
• Analytical Chemistry: Utilized as a chelating agent for the pre-concentration and detection of trace metal ions.
• Specialty Chemical Intermediate: Serves as a precursor for the synthesis of more complex phosphine oxide derivatives and ionic liquids.

Basic Information

Product Name	Dihexyl(Methyl)Phosphine Oxide
CAS No.	1831-65-8
Molecular Formula	C₁₃H₂₉OP
Molecular Weight	232.35 g/mol
Synonyms	Methyldihexylphosphine Oxide; Dihexylmethylphosphine Oxide; (Dihexylphosphinyl)methane; Hexylmethylphosphine Oxide; Phosphine Oxide, dihexylmethyl-; P,P-Dihexyl-P-methylphosphine Oxide; Methylbis(hexyl)phosphine Oxide; MDHPO
EINECS	217-399-8

Quality Control

Our Dihexyl(Methyl)Phosphine Oxide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive extraction and catalytic applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and key physical parameters is provided with each shipment to guarantee batch-to-batch consistency and performance reliability.

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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or HPLC)	≥ 98.0%
Water Content (Karl Fischer)	≤ 0.5%
Refractive Index (n20/D)	1.460 - 1.470
Density (20°C)	0.89 - 0.91 g/mL

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