Description

5,5'-Dibromodiphenic Acid is a high-purity brominated aromatic dicarboxylic acid derivative, serving as a critical synthetic intermediate and functional monomer. Its value lies in the introduction of bromine atoms and carboxylic acid groups, which are essential for imparting flame retardancy, modifying polymer properties, and constructing complex molecular architectures. This compound is particularly needed by manufacturers in the polymer, pharmaceutical, and advanced materials sectors seeking to develop specialized flame-retardant additives, high-performance polymers, and active pharmaceutical ingredients (APIs).

Application

• Flame Retardant Intermediate: A key precursor for synthesizing brominated flame retardants used in engineering plastics, textiles, and electronic components.
• Polymer Modification: Serves as a difunctional monomer for the production of specialty polyesters, polyamides, and liquid crystal polymers (LCPs) to enhance thermal stability and mechanical properties.
• Pharmaceutical Synthesis: Used as a building block in the multi-step synthesis of complex drug molecules and bioactive compounds.
• Ligand and Chelating Agent Precursor: The carboxylic acid groups allow for the creation of specialized ligands for metal catalysis and chelating resins.
• Advanced Material Research: Employed in R&D for developing novel organic frameworks, dendrimers, and other functional materials.
• Cross-linking Agent: Can be utilized to introduce cross-links into polymer networks, improving chemical resistance and durability.

Basic Information

Product Name	5,5'-Dibromodiphenic Acid
CAS No.	13974-99-7
Molecular Formula	C14H8Br2O4
Molecular Weight	416.02 g/mol
Synonyms	5,5'-Dibromobiphenyl-2,2'-dicarboxylic Acid; 2,2'-Dibromodiphenic Acid; 5,5'-Dibromo-2,2'-biphenyldicarboxylic Acid; [1,1'-Biphenyl]-2,2'-dicarboxylic acid, 5,5'-dibromo-; 5,5'-Dibromodiphenyl-2,2'-dicarboxylic Acid; BDBDA; DBDA
EINECS	Contact for details

Quality Control

Our 5,5'-Dibromodiphenic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data from HPLC, NMR, and other relevant techniques. Our quality commitment ensures the material meets the stringent requirements for use in pharmaceutical intermediates and high-performance polymer applications.

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 bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain purity.

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%
Heavy Metals	≤ 20 ppm

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