Description

2,6,7-Trioxa-1,4-Diphosphabicyclo[2.2.2]Octane4-Oxide is a specialized organophosphorus compound with a unique bicyclic cage structure, serving as a key intermediate and functional additive in advanced material science. Its value lies in its ability to impart flame retardancy and modify thermal properties in high-performance polymers and resins. This chemical is essential for R&D and production teams in the polymer, electronics, and specialty chemical industries seeking to enhance material safety and performance.

Application

• As a reactive flame retardant or flame-retardant synergist in epoxy resins, polyurethanes, and unsaturated polyesters.
• As a key intermediate in the synthesis of novel phosphorus-containing compounds for material science.
• As a thermal stabilizer and property modifier in engineering plastics and high-temperature polymers.
• In research and development of advanced flame-retardant systems for electronics encapsulation and circuit board materials.
• As an additive to improve the char formation and fire resistance of textile coatings and composites.
• Potential use as a ligand or building block in coordination chemistry and catalyst design.

Basic Information

Product Name	2,6,7-Trioxa-1,4-Diphosphabicyclo[2.2.2]Octane4-Oxide
CAS No.	41097-27-2
Molecular Formula	C4H6O4P2
Molecular Weight	187.03 g/mol
Synonyms	1,4-Diphospha-2,6,7-trioxabicyclo[2.2.2]octane 4-oxide; DOPO precursor; Bicyclic Phosphonate; 2,6,7-Trioxa-1-phospha-4-phosphoniabicyclo[2.2.2]octane 1-oxide; 4-Hydroxy-2,6,7-trioxa-1-phospha-4-phosphoniabicyclo[2.2.2]octane 1-oxide; PEPA intermediate; 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide precursor
EINECS	Contact for details

Quality Control

Our production of 2,6,7-Trioxa-1,4-Diphosphabicyclo[2.2.2]Octane4-Oxide adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The product is characterized and tested using advanced analytical techniques including NMR, HPLC, and titration methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment 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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Store away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	205 - 215 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm

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