Description

Bis(2-Ethylhexyl) Phenylphosphonate is a high-performance organophosphorus compound, widely recognized for its excellent solvating and plasticizing properties. This chemical is particularly valued for its stability and compatibility with a range of polymers and other materials, making it a critical component in advanced formulations. It serves as a key ingredient for manufacturers in the plastics, specialty lubricants, and extractant industries seeking reliable performance and process efficiency.

Application

• Plasticizer for Specialty Polymers: Used to enhance flexibility, durability, and processability of PVC, polyurethanes, and other engineering plastics.
• Solvent and Extractant: Employed in liquid-liquid extraction processes for the separation and purification of rare earth metals and other valuable ions.
• Functional Fluid Additive: Acts as a stabilizer and anti-wear agent in advanced lubricants and hydraulic fluids.
• Flame Retardant Synergist: Used in combination with other compounds to improve the flame-retardant efficacy of polymeric materials.
• Adhesive and Sealant Formulations: Imparts improved adhesion and low-temperature performance in specialty adhesives and sealants.
• Research & Development: Serves as a reagent and intermediate in organic synthesis and material science research.

Basic Information

Product Name	Bis(2-Ethylhexyl) Phenylphosphonate
CAS No.	3151-39-1
Molecular Formula	C22H39O3P
Molecular Weight	382.51 g/mol
Synonyms	Phenylphosphonic Acid Bis(2-ethylhexyl) Ester; Dioctyl Phenylphosphonate; BEHP; 2-Ethylhexyl Phenylphosphonate; Phosphonic Acid, Phenyl-, Bis(2-ethylhexyl) Ester; Phenyl Bis(2-ethylhexyl) Phosphonate; NSC 2661; Phenylphosphonate Dioctyl Ester
EINECS	221-579-8

Quality Control

Our Bis(2-Ethylhexyl) Phenylphosphonate is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters are provided to guarantee supply consistency and reliability for your critical applications.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (20°C)	0.970 - 0.990 g/mL
Refractive Index (20°C)	1.480 - 1.490
Acidity (as Phenylphosphonic Acid)	≤ 0.1%
Water Content (KF)	≤ 0.1%

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