Description

Dioctylisopentylphosphine Oxide is a high-purity organophosphorus compound, CAS NO 53521-41-8, valued for its exceptional performance as a versatile extractant and phase transfer catalyst. Its unique molecular structure provides superior selectivity and efficiency in complex separation and synthesis processes. This product is essential for industries including rare earth element processing, metal recovery, and advanced organic synthesis where precise chemical interactions are critical.

Application

• Primary extractant for the separation and purification of rare earth elements (e.g., lanthanides) in hydrometallurgical processes.
• Key component in solvent extraction systems for the recovery of precious and strategic metals like cobalt, nickel, and zirconium.
• Efficient phase transfer catalyst (PTC) in organic synthesis, facilitating reactions between immiscible reactants.
• Used in the formulation of specialized ion-selective membranes and sensors for analytical applications.
• Acts as a stabilizing agent and ligand in the preparation of advanced organometallic catalysts.
• Employed in research and development for novel separation technologies and nuclear fuel cycle studies.

Basic Information

Product Name	Dioctylisopentylphosphine Oxide
CAS No.	53521-41-8
Molecular Formula	C21H45OP
Molecular Weight	344.56 g/mol
Synonyms	Di-n-octylisopentylphosphine Oxide; Isopentyldioctylphosphine Oxide; DOPO (context-specific); Phosphine oxide, dioctylisopentyl-; Dioctyl(3-methylbutyl)phosphine oxide; (3-Methylbutyl)dioctylphosphine oxide; Extractant P507 (related commercial name); HEH(EHP) (alternative acronym)
EINECS	Contact for details

Quality Control

Our Dioctylisopentylphosphine Oxide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by GC or HPLC and impurity profiling, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with customer requirements.

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	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.455 - 1.465
Density (20°C)	0.88 - 0.92 g/mL

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