Description

Phosphorous acid, P,P'-[oxybis(methyl-2,1-ethanediyl)] P,P'-bis(hexamethyl-7,15,23,23-tetraphenoxy-3,6,8,11,14,16,19,22-octaoxa-7,15,23-triphosphatricos-1-yl) P,P'-diphenyl ester is a sophisticated organophosphorus compound characterized by its complex, multi-branched molecular architecture. This compound matters as a high-performance specialty chemical, offering unique reactivity and functionality derived from its phosphite ester groups and aromatic phenoxy substituents. It is primarily needed by R&D chemists and process engineers in the advanced polymer, specialty additive, and pharmaceutical intermediate sectors, where it serves as a key building block or functional component.

Application

• Polymer Stabilizer: Acts as a high-efficiency secondary antioxidant and process stabilizer in engineering plastics and high-temperature polymers to prevent thermal and oxidative degradation.
• Ligand for Catalysis: Serves as a sophisticated ligand in transition metal catalysis for specialized organic synthesis, including cross-coupling and hydrogenation reactions.
• Flame Retardant Synergist: Used as a component in advanced flame-retardant formulations for textiles, coatings, and polymeric materials.
• Specialty Additive Intermediate: A crucial precursor for synthesizing custom phosphite and phosphate-based additives for lubricants and functional fluids.
• Pharmaceutical Building Block: Employed in the research and development of novel active pharmaceutical ingredients (APIs) requiring complex phosphorus-containing motifs.
• Material Science Research: Utilized in developing novel dendritic or hyperbranched polymers and advanced organic-inorganic hybrid materials.

Basic Information

Product Name	Phosphorous acid, P,P'-[oxybis(methyl-2,1-ethanediyl)] P,P'-bis(hexamethyl-7,15,23,23-tetraphenoxy-3,6,8,11,14,16,19,22-octaoxa-7,15,23-triphosphatricos-1-yl) P,P'-diphenyl ester
CAS No.	67383-54-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Bis(2-{[bis(hexamethyl-7,15,23,23-tetraphenoxy-3,6,8,11,14,16,19,22-octaoxa-7,15,23-triphosphatricos-1-yl)phosphinyl]oxy}ethyl) ether; Phosphorous acid, cyclic 2,2'-[oxybis(2,1-ethanediyloxy)]bis[P,P-bis(hexamethyl-7,15,23,23-tetraphenoxy-3,6,8,11,14,16,19,22-octaoxa-7,15,23-triphosphatricos-1-yl) P,P-diphenyl ester]; Complex branched phosphite ester; Aromatic phosphite stabilizer.
EINECS	Contact for details

Quality Control

Our production of Phosphorous acid, P,P'-[oxybis(methyl-2,1-ethanediyl)] P,P'-bis(hexamethyl-7,15,23,23-tetraphenoxy-3,6,8,11,14,16,19,22-octaoxa-7,15,23-triphosphatricos-1-yl) P,P'-diphenyl ester adheres to a rigorous quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are provided and available upon request, supporting 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 a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and moisture. For long-term storage, consider an inert atmosphere to preserve product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Phosphorus Content	Contact for details
Acidity (Titration)	Contact for details
Moisture (KF)	≤ 0.5%

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