Description

Sodium Bis(2-Ethylhexyl) Phosphate is the sodium salt of bis(2-ethylhexyl) phosphoric acid, a versatile organophosphorus compound. This product is valued for its excellent surface-active and metal-chelating properties, making it a critical component in advanced separation and extraction processes. It is primarily sought by manufacturers in the chemical, metallurgical, and pharmaceutical industries for applications ranging from solvent extraction to specialty surfactant formulations.

Application

• Primary extractant for the solvent extraction and purification of rare earth elements (e.g., lanthanides) and transition metals.
• Key component in hydrometallurgical processes for the recovery of valuable metals like cobalt, nickel, and copper from ores and leach solutions.
• Used as an acidic cation exchanger in various analytical and industrial separation techniques.
• Acts as a specialty surfactant and corrosion inhibitor in formulated lubricants and industrial fluids.
• Employed in the pharmaceutical industry as an intermediate or additive in specific synthesis and purification steps.
• Functions as a stabilizer and catalyst component in certain polymerization reactions and chemical syntheses.

Basic Information

Product Name	Sodium Bis(2-Ethylhexyl) Phosphate
CAS No.	141-65-1
Molecular Formula	C₁₆H₃₅NaO₄P
Molecular Weight	345.41 g/mol
Synonyms	Bis(2-ethylhexyl) Phosphate Sodium Salt; Sodium Di(2-ethylhexyl) Phosphate; DEHPA Sodium Salt; Sodium Bis(2-ethylhexyl) Orthophosphate; P204 (Na); HDEHP Sodium Salt; Sodium O,O'-Bis(2-ethylhexyl) Phosphorothioate (related); 2-Ethylhexyl Phosphoric Acid Sodium Salt
EINECS	205-494-3

Quality Control

Our Sodium Bis(2-Ethylhexyl) Phosphate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high performance. Each lot undergoes rigorous analytical testing, including assay, impurity profile, and physical property verification, to meet exacting customer requirements. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications.

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). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white waxy solid or viscous liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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