Description

5,5'-(1,3-Phenylenebis(Methylene))Bis(Oxy)Diisophthalic Acid is a sophisticated aromatic dicarboxylic acid derivative with a unique bridged structure. This compound serves as a high-value intermediate for the synthesis of advanced polymers and specialty chemicals, offering precise molecular architecture for material design. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and high-performance polymer industries seeking to develop novel products with specific functional properties.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring complex, rigid molecular frameworks.
• Polymer Chemistry: Serves as a monomer or co-monomer for producing specialty polyesters, polyamides, and polyimides with enhanced thermal stability, mechanical strength, and chemical resistance.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: A potential precursor for creating organic semiconductors, charge transport materials, and liquid crystal compounds used in display technologies.
• Cross-linking Agent: Functions as a cross-linker in epoxy resins and other thermosetting polymers to improve network density and performance.
• Metal-Organic Framework (MOF) Synthesis: Acts as an organic linker or strut in the construction of novel MOFs for gas storage, separation, and catalysis.
• Academic & Industrial Research: A valuable reagent for chemical research exploring new synthetic methodologies and material properties.

Basic Information

Product Name	5,5'-(1,3-Phenylenebis(Methylene))Bis(Oxy)Diisophthalic Acid
CAS No.	147566-76-5
Molecular Formula	C26H18O12
Molecular Weight	498.42 g/mol
Synonyms	5,5'-[1,3-Phenylenebis(methylenoxy)]diisophthalic Acid; 1,3-Bis[(3,5-dicarboxyphenoxy)methyl]benzene; Diisophthalic Acid Derivative; m-Xylylene Bis(3,5-dicarboxyphenyl) Ether; Aromatic Tetracarboxylic Acid Derivative; Bridged Diisophthalic Acid; Research Chemical 147566-76-5
EINECS	Contact for details

Quality Control

Our 5,5'-(1,3-Phenylenebis(Methylene))Bis(Oxy)Diisophthalic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all test results are provided and available upon request to support your quality assurance and regulatory needs.

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). Keep away from strong bases and oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.