Description

Bis(2-Ethylhexyl)-2-Ethylhexylphosphonate is a high-purity organophosphorus compound widely utilized as a selective extractant and solvent. Its value lies in its excellent chemical stability and solvating power for various metal ions, particularly in challenging acidic and organic environments. This product is essential for industries involved in hydrometallurgy, nuclear fuel reprocessing, and specialty chemical synthesis, where precise separation and purification processes are critical.

Application

• Solvent Extraction in Hydrometallurgy: A key extractant for the separation and recovery of rare earth elements, uranium, and other valuable metals from acidic leach solutions.
• Nuclear Fuel Cycle Processing: Used in the PUREX and related processes for the selective extraction of actinides, such as plutonium and uranium, from spent nuclear fuel.
• Specialty Chemical Synthesis: Acts as a solvent or intermediate in the synthesis of advanced organophosphorus compounds, plasticizers, and flame retardants.
• Catalyst and Additive Formulation: Employed as a component in catalyst systems or as a stabilizing additive in polymers and lubricants.
• Analytical Chemistry: Serves as a chelating agent in analytical methods for the pre-concentration and detection of trace metal ions.
• Wastewater Treatment: Applied in advanced separation technologies for the removal and recovery of heavy metals from industrial effluents.

Basic Information

Product Name	Bis(2-Ethylhexyl)-2-Ethylhexylphosphonate
CAS No.	126-63-6
Molecular Formula	C24H51O3P
Molecular Weight	418.64 g/mol
Synonyms	DEHEHP; 2-Ethylhexyl Phosphonic Acid Bis(2-Ethylhexyl) Ester; Bis(2-ethylhexyl) (2-ethylhexyl)phosphonate; Phosphonic Acid, P-(2-Ethylhexyl)-, Bis(2-ethylhexyl) Ester; EHEHPA; P,P-Bis(2-ethylhexyl) 2-ethylhexylphosphonate; (2-Ethylhexyl)phosphonic Acid Di(2-ethylhexyl) Ester
EINECS	204-794-5

Quality Control

Our Bis(2-Ethylhexyl)-2-Ethylhexylphosphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay by titration or GC, to ensure high purity and consistency for demanding industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with every shipment to guarantee compliance with your technical specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0 %
Density (20°C)	0.920 - 0.940 g/mL
Refractive Index (n20D)	1.440 - 1.450
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1 %

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