Description

5-((3,5-Dicarboxybenzyl)Oxy)Isophthalic Acid is a high-purity, multifunctional aromatic carboxylic acid derivative, serving as a critical advanced intermediate in sophisticated organic synthesis. Its value lies in its unique polycarboxylated structure, which provides multiple reactive sites for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require precise building blocks for developing new active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates requiring complex polycarboxylated aromatic cores.
• Metal-Organic Framework (MOF) Synthesis: Serves as a versatile organic linker or precursor for constructing porous coordination polymers with tailored properties for gas storage, separation, and catalysis.
• Specialty Polymer Monomer: Used in the development of high-performance polyimides, polyamides, and polyesters, where its multiple acid groups can enhance thermal stability, mechanical strength, and adhesion properties.
• Ligand for Catalysis: Functions as a precursor for multidentate ligands in homogeneous catalysis, useful in asymmetric synthesis and cross-coupling reactions.
• Agrochemical Research: Employed in the design and synthesis of new herbicides, fungicides, or plant growth regulators that benefit from its specific aromatic acid functionality.
• Dye & Pigment Intermediate: Acts as a precursor for creating specialized colorants and functional dyes with enhanced properties.
• Cross-linking Agent: Utilized in formulations for coatings, adhesives, or resins where its multiple carboxylic acid groups can promote cross-linking and improve network density.
• Academic & R&D: A valuable reagent for chemical research in universities and corporate labs focused on organic methodology development and material science.

Basic Information

Item	Details
Product Name	5-((3,5-Dicarboxybenzyl)Oxy)Isophthalic Acid
CAS No.	156750-08-2
Molecular Formula	C18H12O10
Molecular Weight	388.28 g/mol
Synonyms	5-[(3,5-Dicarboxybenzyl)oxy]benzene-1,3-dicarboxylic acid; Isophthalic acid, 5-((3,5-dicarboxybenzyl)oxy)-; 1,3-Benzenedicarboxylic acid, 5-[(3,5-dicarboxybenzyl)oxy]-; 5-(3,5-Dicarboxybenzyloxy)isophthalic acid; Tetrakis(4-carboxyphenyl)methane precursor; Multifunctional isophthalate derivative; Polycarboxylic acid linker
EINECS	Contact for details

Quality Control

Every batch of 5-((3,5-Dicarboxybenzyl)Oxy)Isophthalic Acid is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. Comprehensive analytical testing, including HPLC for purity and identity confirmation, is performed. A detailed Certificate of Analysis (COA) documenting batch-specific results is provided with each shipment to guarantee traceability and consistency for your critical applications.

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). This product is hygroscopic (moisture-sensitive). To maintain purity and prevent degradation, the container must be kept tightly sealed when not in use and stored under conditions of low humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
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.