Description

5,5,5',5'-Tetramethyl-2,2'-Bi[1,3,2-Dioxaphosphorinane]-2,2'-Dioxide is a specialized organophosphorus compound, specifically a cyclic phosphonate dimer, known for its role as a high-performance intermediate and additive. Its value lies in its unique molecular structure, which provides excellent thermal stability and reactivity, making it a key component in advanced material synthesis. This chemical is essential for R&D and production in industries focused on polymer modification, flame retardancy, and specialty chemical manufacturing.

Application

• Flame Retardant Synergist: Used as a reactive intermediate or additive in the production of flame-retardant polymers, particularly for engineering plastics and epoxy resins.
• Polymer Modification Agent: Acts as a cross-linking agent or stabilizer to enhance the thermal and mechanical properties of high-performance plastics.
• Chemical Intermediate: Serves as a key building block in organic synthesis for pharmaceuticals and agrochemicals requiring specific phosphonate functionalities.
• Lubricant & Hydraulic Fluid Additive: Employed as an anti-wear or extreme pressure additive in advanced synthetic lubricant formulations.
• Research & Development: A valuable compound for academic and industrial research in material science and organophosphorus chemistry.

Basic Information

Product Name	5,5,5',5'-Tetramethyl-2,2'-Bi[1,3,2-Dioxaphosphorinane]-2,2'-Dioxide
CAS No.	16368-06-2
Molecular Formula	C12H24O6P2
Molecular Weight	326.27 g/mol
Synonyms	2,2'-Bi(5,5-dimethyl-1,3,2-dioxaphosphorinane) 2,2'-dioxide; Tetramethyl-BDPO; 5,5,5',5'-Tetramethyl-2,2'-bis(1,3,2-dioxaphosphorinane)-2,2'-dioxide; BDPO Tetramethyl Derivative; Cyclic Phosphonate Dimer; TM-BDPO; Phospholane Dioxide Dimer
EINECS	Contact for details

Quality Control

Our 5,5,5',5'-Tetramethyl-2,2'-Bi[1,3,2-Dioxaphosphorinane]-2,2'-Dioxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with every shipment to guarantee it meets your precise application requirements.

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 oxidizing agents and moisture. 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)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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