Description

2,2',4,5'-Tetrabromodiphenyl Ether CAS NO 243982-82-3 is a brominated aromatic compound belonging to the polybrominated diphenyl ether (PBDE) family. This specialty chemical serves as a critical intermediate in the synthesis of advanced flame retardants and other high-performance additives. It is primarily required by manufacturers in the polymer, electronics, and construction materials industries seeking to enhance the fire safety of their products. Our supply is characterized by consistent quality and reliable global availability.

Application

• Flame Retardant Intermediate: A key precursor in the manufacturing of specialized brominated flame retardant systems for engineering plastics and thermosets.
• Polymer Additives: Used in the formulation of additives for high-impact polystyrene (HIPS), epoxy resins, and polyurethane foams to meet stringent fire safety standards.
• Electronic Encapsulation: Incorporated into compounds for potting and encapsulating electronic components to provide flame retardancy.
• Textile Back-Coating: Employed in the production of flame-retardant coatings for industrial and protective textiles.
• Research & Development: Serves as a standard or building block in chemical research for developing new flame-retardant molecules and studying environmental fate.
• Specialty Synthesis: Utilized as a brominated aryl ether intermediate in organic synthesis for pharmaceuticals and agrochemicals.

Basic Information

Product Name	2,2',4,5'-Tetrabromodiphenyl Ether
CAS No.	243982-82-3
Molecular Formula	C₁₂H₆Br₄O
Molecular Weight	485.79 g/mol
Synonyms	2,2',4,5'-Tetrabromodiphenyl Ether; BDE-49; 1,2,4,5-Tetrabromodiphenyl Ether; PBDE 49; 2,2',4,5'-Tetrabromo-1,1'-oxybisbenzene; NSC 89289; 2,4,5,2'-Tetrabromodiphenyl Ether; Tetrabromodiphenyl Ether (BDE-49 isomer)
EINECS	Contact for details

Quality Control

Our 2,2',4,5'-Tetrabromodiphenyl Ether is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the precise requirements of industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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 oxidizers and heat sources.

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.