Description

1,3-Benzenedicarboxylic Acid,5,5'-Carbonylbis- is a high-purity, specialized aromatic dicarboxylic acid derivative, serving as a critical building block in advanced polymer synthesis. This compound matters for its ability to introduce both carbonyl and carboxylic acid functionalities, enabling the creation of high-performance materials with tailored properties. It is primarily needed by manufacturers in the polymer, specialty chemical, and pharmaceutical intermediate sectors seeking to develop novel polyesters, polyamides, or other functional materials.

Application

• Polymer Synthesis: A key monomer for the production of high-performance engineering plastics, such as specialty polyesters and polyamides, offering enhanced thermal and mechanical properties.
• Pharmaceutical Intermediates: Serves as a sophisticated building block in the synthesis of complex active pharmaceutical ingredients (APIs) and drug candidates.
• Specialty Chemical Manufacturing: Used in the creation of advanced coatings, adhesives, and sealants that require specific chemical resistance and durability.
• Liquid Crystal Polymers (LCPs): A potential monomer for the synthesis of LCPs used in electronics, aerospace, and automotive applications.
• Cross-linking Agent: Functions as a cross-linker in resin systems to improve hardness, chemical resistance, and thermal stability.
• Research & Development: Employed in academic and industrial R&D for exploring new materials science and organic synthesis pathways.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid,5,5'-Carbonylbis-
CAS No.	43080-50-8
Molecular Formula	C17H10O7
Molecular Weight	326.26 g/mol
Synonyms	5,5'-Carbonylbis(isophthalic acid); 5,5'-Carbonylbis(1,3-benzenedicarboxylic acid); 5,5'-Carbonylbisbenzene-1,3-dicarboxylic acid; 5,5'-Carbonyl diisophthalic acid; Bis(3,5-dicarboxyphenyl) ketone; Isophthalic acid, 5,5'-carbonylbis-; 43080-50-8
EINECS	Contact for details

Quality Control

Our 1,3-Benzenedicarboxylic Acid,5,5'-Carbonylbis- is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to guarantee compliance with your specifications and industry standards.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which may affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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