Description

5,5'-((5-Carboxy-1,3-Phenylene)Bis(Oxy))Diisophthalic Acid is a high-purity, multi-functional aromatic carboxylic acid derivative. This compound serves as a critical advanced organic intermediate for the synthesis of complex polymers and specialty chemicals. It is primarily required by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and high-performance materials sectors seeking to develop novel products with specific functional properties.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring complex, rigid aromatic scaffolds.
• Polymer & Resin Synthesis: Serves as a monomer or cross-linking agent for producing high-temperature resistant polyimides, polyesters, and epoxy resins.
• Metal-Organic Framework (MOF) Precursor: Used in research and development of novel MOFs due to its multiple carboxylate groups, which can coordinate with metal ions to form porous structures for gas storage or catalysis.
• Agrochemical Synthesis: Intermediate in the production of advanced herbicides, fungicides, or plant growth regulators that benefit from its specific aromatic backbone.
• Dye & Pigment Manufacturing: Acts as a precursor for creating specialized colorants and optical brighteners with enhanced stability and performance.
• Ligand for Catalysis: Potential use in designing chelating ligands for homogeneous catalysis in fine chemical synthesis.
• Academic & Industrial Research: A valuable reagent for chemical research exploring new organic reactions, material properties, and supramolecular chemistry.

Basic Information

Item	Detail
Product Name	5,5'-((5-Carboxy-1,3-Phenylene)Bis(Oxy))Diisophthalic Acid
CAS No.	2241425-51-2
Molecular Formula	C24H14O12
Molecular Weight	494.36 g/mol
Synonyms	5,5'-[(5-Carboxy-1,3-phenylene)bis(oxy)]diisophthalic Acid; 5-Carboxyisophthalic Acid 1,3-Phenylene Ester; 1,3-Bis(3,5-dicarboxyphenoxy)-5-carboxybenzene; Tetracarboxylic Acid Derivative; Aromatic Polycarboxylic Acid Ester; Research Compound 2241425-51-2; Multifunctional Aromatic Acid Intermediate
EINECS	Contact for details

Quality Control

Our production of 5,5'-((5-Carboxy-1,3-Phenylene)Bis(Oxy))Diisophthalic Acid adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications and research-grade standards. Comprehensive Certificates of Analysis (COA) documenting all test results are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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