Description

2,2'-[[2,2-Bis(Chloromethyl)Propane-1,3-Diyl]Bis(Oxy)]Bis[5,5-Dimethyl-1,3,2-Dioxaphosphorinane] 2,2'-Dioxide is a specialized organophosphorus compound with a complex cyclic structure. This chemical serves as a high-performance reactive intermediate and flame retardant synergist, offering enhanced thermal stability and efficiency in polymer formulations. It is primarily required by manufacturers in the plastics, polymer additives, and advanced material synthesis industries seeking to improve product safety and performance.

Application

• Reactive Flame Retardant Intermediate for engineering plastics and thermosets.
• Synergist in Halogen-Phosphorus Flame Retardant Systems for enhanced efficacy in polyolefins, polyurethanes, and epoxy resins.
• Cross-linking Agent or Modifier in specialty polymer synthesis.
• Additive for Intumescent Coatings and fire-protective materials.
• Component in High-Performance Adhesives and Sealants requiring improved fire resistance.
• Chemical Intermediate for the synthesis of more complex phosphorus-containing compounds.

Basic Information

Product Name	2,2'-[[2,2-Bis(Chloromethyl)Propane-1,3-Diyl]Bis(Oxy)]Bis[5,5-Dimethyl-1,3,2-Dioxaphosphorinane] 2,2'-Dioxide
CAS No.	83044-97-7
Molecular Formula	C19H32Cl2O8P2
Molecular Weight	545.28 g/mol
Synonyms	Bis(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphorinane-2-yl) 2,2-bis(chloromethyl)propane-1,3-diyl ether; 2,2'-Oxybis(2-chloromethyl-3-chloropropyl) bis(5,5-dimethyl-1,3,2-dioxaphosphorinane-2-olate) 2,2'-dioxide; PX-202 (potential trade name); Tetrakis(5,5-dimethyl-1,3,2-dioxaphosphorinanyl-2-oxy) derivative of pentacrythritol dichloride; Phosphorus-containing cyclic ether of pentacrythritol dichloride; Flame retardant PX-202 analogue.
EINECS	Contact for details

Quality Control

Our production of 2,2'-[[2,2-Bis(Chloromethyl)Propane-1,3-Diyl]Bis(Oxy)]Bis[5,5-Dimethyl-1,3,2-Dioxaphosphorinane] 2,2'-Dioxide adheres to a rigorous quality management system. Every batch is analyzed to ensure consistent purity and performance, with specifications tailored to industrial and R&D requirements. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are provided to guarantee traceability and compliance with your technical specifications.

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. The product may be moisture-sensitive; keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Chlorine Content	Theoretical ~13.0%
Phosphorus Content	Theoretical ~11.4%

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