Description

4-Ethyl-2,6,7-Trioxa-1-Phosphabicyclo[2.2.2]Octane1-Sulfide is a high-purity, organophosphorus compound with a unique bicyclic cage structure. This chemical matters as a critical reactive intermediate and flame retardant synergist, offering enhanced thermal stability and performance in demanding formulations. It is primarily needed by manufacturers in the polymer, electronics, and specialty chemical industries for producing advanced materials.

Application

• Flame Retardant Synergist: A key component in intumescent flame retardant (IFR) systems for polyolefins, polyurethanes, and epoxy resins, enhancing char formation and fire resistance.
• Reactive Intermediate: Used in the synthesis of more complex organophosphorus compounds, including novel ligands, catalysts, and pharmaceutical agents.
• Polymer Additive: Imparts improved thermal and oxidative stability to engineering plastics and high-performance polymers.
• Electronics Encapsulation: Employed in flame-retardant coatings and potting compounds for electronic components and circuit boards.
• Crosslinking Agent: Functions as a crosslinker in specific thermoset resin systems to modify mechanical properties.
• Research & Development: Serves as a valuable building block in academic and industrial R&D for developing new materials with tailored properties.

Basic Information

Product Name	4-Ethyl-2,6,7-Trioxa-1-Phosphabicyclo[2.2.2]Octane1-Sulfide
CAS No.	935-52-4
Molecular Formula	C7H11O3PS
Molecular Weight	206.20 g/mol
Synonyms	1-Sulfido-4-ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane; 4-Ethyl-1-sulfido-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane; PEPA-Sulfide; Bridged bicyclic phosphate sulfide; ETPS; Tris(2-hydroxyethyl)isocyanurate phosphate sulfide derivative; Spirocyclic organophosphorus sulfide
EINECS	Contact for details

Quality Control

Our 4-Ethyl-2,6,7-Trioxa-1-Phosphabicyclo[2.2.2]Octane1-Sulfide is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications 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 at room temperature (15-25°C). Keep away from strong oxidizers and moisture. For long-term storage, consider under an inert atmosphere.

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%
Residue on Ignition	≤ 0.1%

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