Description

2,2,4,4,6,6,8,8-Octabromo-2,2,4,4,6,6,8,8-Octahydro-1,3,5,7,2,4,6,8-Tetraazatetraphosphocine is a high-performance brominated flame retardant additive belonging to the class of cyclic phosphazenes. This compound is valued for its exceptional thermal stability and high bromine content, which provides superior flame-retardant efficiency in demanding polymer applications. It is primarily utilized by formulators and manufacturers in the plastics, electronics, and construction materials industries seeking to enhance the fire safety of their products without compromising key physical properties.

Application

• As a highly effective flame retardant for engineering thermoplastics such as polyamides (nylon), polyesters (PBT, PET), and polycarbonates.
• In flame-retardant formulations for epoxy resins and other thermosetting polymers used in electronic encapsulants and printed circuit boards.
• As a synergistic component in intumescent coatings and fire-protective materials for the construction industry.
• For enhancing the fire resistance of wire and cable insulation, connectors, and other critical electronic components.
• In the development of high-performance, flame-retardant polymer blends and composites for automotive and aerospace applications.
• As a research chemical for developing next-generation, halogenated flame-retardant systems with improved environmental profiles.

Basic Information

Product Name	2,2,4,4,6,6,8,8-Octabromo-2,2,4,4,6,6,8,8-Octahydro-1,3,5,7,2,4,6,8-Tetraazatetraphosphocine
CAS No.	14621-11-5
Molecular Formula	C4H8Br8N4P4
Molecular Weight	1033.16 g/mol
Synonyms	Octabromocyclotetraphosphazene; Octabromocyclotetraphosphonitrile; Cyclotetraphosphazene, octabromo-; Octabromo-1,3,5,7,2,4,6,8-tetraazatetraphosphocine; Octabromocyclotetraphosphazene flame retardant; OBCTP; FR-8B; Cyclic phosphazene, octabromo derivative
EINECS	Contact for details

Quality Control

Our 2,2,4,4,6,6,8,8-Octabromo-2,2,4,4,6,6,8,8-Octahydro-1,3,5,7,2,4,6,8-Tetraazatetraphosphocine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, thermal stability, and bromine content, meeting the stringent requirements of industrial polymer applications. Certificates of Analysis (COA) detailing key 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, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids, strong bases, and sources of heat or ignition. This material is moisture-sensitive (hygroscopic); ensure containers are sealed after each use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Bromine Content	≥ 61.5%
Melting Point	300 - 320 °C (dec.)
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.