Description

Biphenylene-2,6-Dicarboxylic Acid is a high-purity aromatic dicarboxylic acid derivative, serving as a critical building block for advanced polymers and specialty chemicals. Its rigid, planar biphenylene core offers unique structural properties for creating materials with enhanced thermal stability and mechanical performance. This compound is essential for R&D and production in high-performance polymer synthesis, pharmaceutical intermediates, and organic electronic materials.

Application

• High-Performance Polymer Monomer: A key precursor for synthesizing polyamides (nylons), polyesters, and polyimides with superior heat resistance.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Liquid Crystal & Organic Electronic Materials: Serves as a core component in the synthesis of organic semiconductors and liquid crystal displays (LCDs).
• Metal-Organic Frameworks (MOFs): Acts as an organic linker for constructing porous coordination polymers with applications in gas storage and catalysis.
• Specialty Chemical Synthesis: An intermediate for dyes, pigments, and advanced organic compounds requiring a rigid aromatic backbone.
• Cross-linking Agent: Used to enhance the thermal and chemical resistance of epoxy resins and other thermosetting polymers.

Basic Information

Product Name	Biphenylene-2,6-Dicarboxylic Acid
CAS No.	65330-85-0
Molecular Formula	C14H8O4
Molecular Weight	240.21 g/mol
Synonyms	2,6-Biphenyldicarboxylic Acid; 2,6-Biphenylenedicarboxylic Acid; [1,1'-Biphenyl]-2,6-dicarboxylic Acid; 2,6-Dicarboxybiphenyl; NSC 403107; Biphenyl-2,6-dicarboxylic acid; 2,6-Biphenyldicarboxylate
EINECS	Contact for details

Quality Control

Our Biphenylene-2,6-Dicarboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all test results are provided with each shipment to guarantee traceability and batch-to-batch consistency.

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 incompatible materials such as strong oxidizing agents, strong bases, and moisture sources to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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