Description

3,3',5,5'-Tetrabromo-[1,1'-Biphenyl]-4,4'-Diol is a high-purity brominated biphenyl derivative, a key advanced intermediate in the synthesis of specialized polymers and flame retardants. Its value lies in its ability to impart excellent thermal stability and flame-retardant properties to high-performance materials. This compound is essential for R&D chemists and production engineers in the polymer, electronics, and specialty chemical industries seeking to enhance material safety and performance.

Application

• Flame Retardant Intermediate: A critical building block for synthesizing brominated flame retardants (BFRs) used in engineering plastics, epoxy resins, and polycarbonates.
• Polymer Modification: Serves as a comonomer or additive to produce high-heat-resistant and flame-retardant polymers for the electronics and automotive sectors.
• Pharmaceutical Synthesis: Used as a specialized intermediate in the research and development of novel active pharmaceutical ingredients (APIs).
• Liquid Crystal Materials: A potential precursor in the synthesis of brominated compounds for liquid crystal displays (LCDs).
• Cross-linking Agent: Can be utilized in the production of cross-linked polymers with enhanced mechanical and thermal properties.
• Research & Development: A valuable reagent for academic and industrial research in organic synthesis and material science.

Basic Information

Product Name	3,3',5,5'-Tetrabromo-[1,1'-Biphenyl]-4,4'-Diol
CAS No.	4463-79-0
Molecular Formula	C12H6Br4O2
Molecular Weight	501.79 g/mol
Synonyms	4,4'-Dihydroxy-3,3',5,5'-tetrabromobiphenyl; Tetrabromobisphenol A (TBBPA) analogue; 3,3',5,5'-Tetrabromobiphenyl-4,4'-diol; TBBD; Tetrabromodiphenol
EINECS	Contact for details

Quality Control

Our 3,3',5,5'-Tetrabromo-[1,1'-Biphenyl]-4,4'-Diol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent high-quality standards. Certificates of Analysis (COA) are provided with every shipment and are available upon request.

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 heat, sparks, and open flames. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	295 - 305 °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.