Description

Benzophenone-4,4'-Dicarboxylic Acid is a high-purity aromatic dicarboxylic acid derivative, serving as a critical building block for advanced polymers and specialty chemicals. Its rigid biphenyl core with terminal carboxylic acid groups makes it an invaluable monomer for synthesizing high-performance polyesters, polyamides, and liquid crystal polymers. This compound is essential for R&D and production in the polymer, pharmaceutical intermediate, and advanced material science industries, where precise molecular architecture is required.

Application

• Polymer Synthesis: Key monomer for producing high-temperature resistant polyesters, polyamides, and aramid fibers.
• Liquid Crystal Polymers (LCPs): Serves as a rigid, linear monomer in the manufacture of LCPs for electronics and precision molding.
• Pharmaceutical Intermediates: Used in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Crosslinking Agent: Functions as a crosslinker in epoxy resins and other thermosetting polymers to enhance thermal and mechanical properties.
• Metal-Organic Frameworks (MOFs): Acts as an organic linker in the construction of porous MOF materials for catalysis and gas storage.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and organic pigments.
• Coating Resins: Incorporated into coating formulations to improve chemical resistance and durability.
• Research & Development: A valuable reagent in academic and industrial research for novel material development.

Basic Information

Product Name	Benzophenone-4,4'-Dicarboxylic Acid
CAS No.	964-68-1
Molecular Formula	C15H10O5
Molecular Weight	270.24 g/mol
Synonyms	4,4'-Dicarboxybenzophenone; 4-Carboxy-4'-benzoylbenzoic Acid; [1,1'-Biphenyl]-4,4'-dicarboxylic Acid, 4'-oxo-; Benzophenone-4,4'-dicarboxylic acid; 4,4'-(Oxydicarbonyl)dibenzoic Acid; BPDA (ambiguous, often refers to biphenyl tetracarboxylic dianhydride); 4,4'-Benzophenonedicarboxylic Acid
EINECS	Contact for details

Quality Control

Our Benzophenone-4,4'-Dicarboxylic Acid 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 specifications for high-end applications. Certificates of Analysis (COA) documenting all critical parameters 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). Due to its hygroscopic nature, the container must be kept sealed to minimize exposure to atmospheric moisture.

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	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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