Description

5,5'-Methylene-Bis(Oxy)Diisophthalic Acid is a high-purity, multifunctional aromatic dicarboxylic acid derivative. This compound is valued for its unique molecular structure, which serves as a versatile building block in advanced polymer synthesis. It is primarily sought by R&D and production teams in the specialty polymer, high-performance resin, and pharmaceutical intermediate sectors.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyamides, polyimides, and polyesters with enhanced thermal and mechanical properties.
• Liquid Crystal Polymers (LCPs): Used as a comonomer to manufacture LCPs for electronics, automotive, and aerospace applications.
• Pharmaceutical Intermediates: Serves as a critical precursor in the synthesis of complex active pharmaceutical ingredients (APIs).
• Cross-linking Agent: Functions as a cross-linker in epoxy and other thermosetting resin systems to improve chemical resistance and durability.
• Specialty Coatings: Incorporated into coating formulations to enhance adhesion, hardness, and thermal stability.
• Advanced Material Research: Utilized in R&D for developing novel organic frameworks and functional materials.

Basic Information

Product Name	5,5'-Methylene-Bis(Oxy)Diisophthalic Acid
CAS No.	1268133-46-5
Molecular Formula	C19H12O10
Molecular Weight	400.29 g/mol
Synonyms	5,5'-[Methylenebis(oxy)]diisophthalic Acid; Bis(3,5-dicarboxyphenoxymethyl)methane; 5,5'-Methylenedioxydiisophthalic Acid; 5,5'-(Methylenebis(oxy))bis(1,3-benzenedicarboxylic acid); 5,5'-Oxybis(methylene)diisophthalic Acid; MBODA; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of 5,5'-Methylene-Bis(Oxy)Diisophthalic Acid is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the high standards required for advanced material synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for each lot upon request.

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) and should be handled in a dry environment to prevent degradation. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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