Description

Phosphonic Acid, Phenyl-, Bis(2,5-Dichlorophenyl) Ester is a specialized organophosphorus compound that serves as a high-performance intermediate and functional additive. This chemical matters for its role in imparting flame retardancy, thermal stability, and specific reactivity in advanced material synthesis. It is primarily needed by manufacturers in the polymer, specialty chemical, and flame retardant industries seeking to enhance product performance and meet stringent safety regulations.

Application

• As a key intermediate in the synthesis of advanced flame retardants for engineering plastics and polymers.
• Used in the production of specialty additives for coatings and adhesives requiring enhanced thermal stability.
• Employed as a reactive modifier in high-performance resin systems, such as epoxy or phenolic resins.
• Serves as a precursor for ligands and metal complexing agents used in catalytic processes.
• Potential application as a stabilizer in halogen-containing polymer formulations.
• Utilized in research and development for novel organophosphorus compounds with specific biological or material properties.

Basic Information

Product Name	Phosphonic Acid, Phenyl-, Bis(2,5-Dichlorophenyl) Ester
CAS No.	71432-26-3
Molecular Formula	C24H14Cl4O3P
Molecular Weight	528.15 g/mol
Synonyms	Bis(2,5-dichlorophenyl) phenylphosphonate; Phenylphosphonic Acid Bis(2,5-dichlorophenyl) Ester; Phosphonic Acid, Phenyl-, Bis(2,5-dichlorophenyl) Ester; 2,5-Dichlorophenyl Phenylphosphonate; Phenyl Bis(2,5-dichlorophenyl) Phosphonate; (2,5-Dichlorophenoxy)(phenyl)phosphinic Acid Bis(2,5-dichlorophenyl) Ester (related); NSC 403119
EINECS	Contact for details

Quality Control

Our production of Phosphonic Acid, Phenyl-, Bis(2,5-Dichlorophenyl) Ester adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance and regulatory compliance needs.

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 bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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