Description

3,3',4,4'-Tetrabromodiphenyl Ether is a brominated aromatic compound of significant industrial importance. This chemical serves as a key intermediate in the synthesis of advanced flame retardants and other specialty chemicals. It is primarily utilized by manufacturers in the polymer, electronics, and construction material sectors seeking to enhance the fire safety properties of their products. Our supply is characterized by consistent quality and reliable global availability.

Application

• Flame Retardant Intermediate: A crucial precursor in the production of high-performance brominated flame retardants (BFRs) for engineering plastics and polymers.
• Polymer Additives: Used in the formulation of additives for thermoplastics like ABS, HIPS, and polyamides to meet stringent fire safety standards (e.g., UL 94).
• Electronic Encapsulation: Incorporated into resins and compounds used for encapsulating electronic components to prevent fire hazards.
• Construction Materials: Applied in the manufacturing of flame-retardant coatings, cables, and insulation foams for the building industry.
• Chemical Synthesis: Serves as a versatile building block in organic synthesis for creating more complex brominated compounds.
• Research & Development: Used in laboratories for developing new flame-retardant formulations and studying environmental fate of brominated compounds.

Basic Information

Product Name	3,3',4,4'-Tetrabromodiphenyl Ether
CAS No.	93703-48-1
Molecular Formula	C₁₂H₆Br₄O
Molecular Weight	485.79 g/mol
Synonyms	BDE-77; 3,3',4,4'-Tetrabromodiphenyl Oxide; Tetrabromodiphenyl Ether 77; 2,3,2',3'-Tetrabromodiphenyl Ether; NSC 89289; 1,1'-Oxybis[2,3,5,6-tetrabromobenzene]; PBDE 77; 2,2',3,3'-Tetrabromo-1,1'-oxybisbenzene
EINECS	Contact for details

Quality Control

Our 3,3',4,4'-Tetrabromodiphenyl Ether is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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 heat, sparks, and open flame. Ensure the container is kept upright to prevent leakage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	180 - 185 °C
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.