Description

Poly(Oxy-1,2-Ethanediyl), .Alpha.,.Alpha.-Phosphinicobis.Omega.-2,4,6-Tris(1-Phenylethyl)Phenoxy- is a specialized organophosphorus compound with a complex polymeric structure, designed for high-performance applications. This chemical is valued for its unique combination of phosphinic acid functionality and bulky, sterically hindered phenolic groups, offering exceptional stability and tailored reactivity. It is primarily sought by R&D chemists and process engineers in the polymer, specialty chemical, and advanced materials sectors for use as a stabilizer, modifier, or functional monomer.

Application

• Polymer Additive: Acts as a high-efficiency antioxidant and thermal stabilizer in engineering plastics and high-temperature polymers.
• Specialty Monomer: Serves as a functional building block for synthesizing advanced copolymers with enhanced flame retardancy or adhesion properties.
• Lubricant & Fuel Additive: Used as an anti-wear agent and stabilizer in synthetic lubricants and industrial fuels.
• Metal Chelation & Extraction: Employed in hydrometallurgical processes for the selective extraction or purification of specific metal ions.
• Catalyst Ligand/Precursor: Provides a sterically demanding ligand environment for organometallic catalysts in asymmetric synthesis.
• Surface Modification Agent: Imparts specific functional groups to material surfaces to alter wettability, compatibility, or corrosion resistance.

Basic Information

Product Name	Poly(Oxy-1,2-Ethanediyl), .Alpha.,.Alpha.-Phosphinicobis.Omega.-2,4,6-Tris(1-Phenylethyl)Phenoxy-
CAS No.	125302-22-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	α,α'-Phosphinicobis[ω-[2,4,6-tris(1-phenylethyl)phenoxy]poly(oxyethylene)]; Polyethylene glycol bis[2,4,6-tris(1-phenylethyl)phenyl] phosphinite; PEG-based tris(phenylethyl)phenol phosphinite; Phosphinic acid, P,P'-bis[2,4,6-tris(1-phenylethyl)phenoxy]polyoxyethylene ester; Antioxidant phosphonite; Sterically hindered phenolic phosphonite.
EINECS	Contact for details

Quality Control

Every batch of Poly(Oxy-1,2-Ethanediyl), .Alpha.,.Alpha.-Phosphinicobis.Omega.-2,4,6-Tris(1-Phenylethyl)Phenoxy- is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with agreed specifications and industry standards. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are available upon request for full traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	Off-white to pale yellow viscous liquid or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Phosphorus Content	Contact for details
Acid Value	≤ 5.0 mg KOH/g
Moisture (KF)	≤ 0.5%

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