Description

2,2',5,5'-Tetrabromobiphenyl is a halogenated aromatic compound of significant industrial interest. This specific tetrabrominated biphenyl isomer serves as a key intermediate and a model compound in various high-value chemical syntheses and research applications. It is primarily utilized by manufacturers and R&D laboratories in the electronics, advanced materials, and analytical chemistry sectors.

Application

• Flame Retardant Intermediate: Serves as a precursor or a comparative standard in the development and analysis of brominated flame retardants for polymers and textiles.
• Chemical Synthesis Building Block: Used in organic synthesis to create more complex brominated aromatic structures for specialized materials.
• Analytical Reference Standard: Employed as a certified reference material (CRM) in environmental and food testing laboratories for the quantification of polybrominated biphenyls (PBBs).
• Research & Development: Acts as a model compound in studies concerning the environmental fate, toxicity, and degradation pathways of brominated aromatics.
• Electronic Materials: Investigated for potential use in the synthesis of organic electronic materials and ligands for catalysis.

Basic Information

Product Name	2,2',5,5'-Tetrabromobiphenyl
CAS No.	59080-37-4
Molecular Formula	C₁₂H₆Br₄
Molecular Weight	485.79 g/mol
Synonyms	2,2',5,5'-Tetrabromo-1,1'-biphenyl; 1,1'-Biphenyl, 2,2',5,5'-tetrabromo-; PBB 52; 2,2',5,5'-Tetrabromodiphenyl; Tetrabromobiphenyl (2,2',5,5'- isomer); Firemaster BP-6 (related mixture component); 2,2',5,5'-TetraBDE (historical/incorrect usage)
EINECS	261-612-0

Quality Control

Our 2,2',5,5'-Tetrabromobiphenyl is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for all relevant parameters are provided to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	178 - 182 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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