Description

2,2'-Oxybis[5-Ethyl-5-Methyl-1,3,2-Dioxaphosphorinane] 2,2'-Dioxide is a specialized organophosphorus compound with a unique bicyclic structure. This chemical serves as a high-performance flame retardant and a reactive intermediate, valued for its thermal stability and efficiency. It is primarily required by manufacturers in the polymer, plastics, and specialty chemical synthesis industries seeking to enhance material safety and develop novel phosphorus-containing derivatives.

Application

• Flame Retardant for Polymers: Used as an additive or reactive component in engineering plastics, polyurethanes, and epoxy resins to impart flame retardancy.
• Chemical Synthesis Intermediate: Serves as a key building block for synthesizing more complex organophosphorus compounds, including ligands and bioactive molecules.
• Stabilizer and Modifier: Can act as a stabilizer in certain polymer systems or as a modifier to alter material properties like glass transition temperature.
• Research & Development: Utilized in academic and industrial R&D for studying phosphorus chemistry and developing new materials.

Basic Information

Product Name	2,2'-Oxybis[5-Ethyl-5-Methyl-1,3,2-Dioxaphosphorinane] 2,2'-Dioxide
CAS No.	738-88-5
Molecular Formula	C₁₄H₂₈O₇P₂
Molecular Weight	370.32 g/mol
Synonyms	Bis(5-ethyl-5-methyl-1,3,2-dioxaphosphorinanyl) ether dioxide; 2,2'-Oxybis(5-ethyl-5-methyl-1,3,2-dioxaphosphorinane 2-oxide); 5-Ethyl-5-methyl-1,3,2-dioxaphosphorinane 2-oxide dimer; Ethylmethyl dioxaphosphorinane oxide dimer; Cyclic phosphonate dimer; FR DOPO derivative; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 2,2'-Oxybis[5-Ethyl-5-Methyl-1,3,2-Dioxaphosphorinane] 2,2'-Dioxide is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay by HPLC and identification by FT-IR and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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