Description

4-Nitro-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane is a specialized organophosphorus compound featuring a unique caged bicyclic structure. This compound matters as a high-performance reactive intermediate and flame retardant precursor, offering a combination of thermal stability and phosphorus content. Industries involved in advanced polymer synthesis, particularly for creating flame-retardant epoxy resins, polyurethanes, and high-temperature composites, require this chemical for developing materials with enhanced safety profiles.

Application

• As a key reactive intermediate in the synthesis of novel, halogen-free flame retardants for polymers.
• Incorporation into epoxy resin systems to impart enhanced flame retardancy and thermal stability for electronic encapsulants and composite materials.
• Modification of polyurethane foams and coatings to improve their fire resistance.
• Use in research and development of high-performance, thermally stable additives for engineering plastics.
• Potential application as a curing agent or cross-linking modifier in specialty resin formulations.
• Employed in academic and industrial laboratories for studying structure-property relationships in phosphorus-containing heterocycles.

Basic Information

Product Name	4-Nitro-2,6,7-Trioxa-1-Phosphabicyclo[2.2.2]Octane
CAS No.	3048-73-5
Molecular Formula	C5H8NO6P
Molecular Weight	209.10 g/mol
Synonyms	1-Nitro-3,9,10-trioxa-4-phosphatricyclo[5.2.1.04,10]decane 4-oxide; 4-Nitro-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide; PEPA (common abbreviation); 1-Oxo-4-nitro-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane; 4-Nitro-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane-1-oxide; 1,4-Dioxa-6-nitro-8-oxa-5-phosphabicyclo[2.2.2]octane; Phosphorus-containing bicyclic nitro compound
EINECS	Contact for details

Quality Control

Our production of 4-Nitro-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for industrial applications. Each lot undergoes comprehensive analytical testing. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and reducing agents. Recommended storage temperature is 2-8°C for long-term stability. The compound is 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)	≥ 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.