Description

1,3-Bis(4-Formylphenoxy)Xylene is a high-purity aromatic dialdehyde compound, serving as a critical building block in advanced polymer synthesis. Its bifunctional structure, featuring two reactive formyl groups, makes it an essential monomer for creating high-performance, cross-linked materials with tailored thermal and mechanical properties. This product is primarily sought by R&D laboratories and industrial manufacturers in the specialty polymers, advanced resins, and pharmaceutical intermediates sectors.

Application

• Polymer & Resin Synthesis: A key monomer for producing high-performance polyimides, polyesters, and epoxy resins, imparting excellent thermal stability and mechanical strength.
• Cross-linking Agent: Used to create cross-linked networks in coatings, adhesives, and composite materials, enhancing their durability and chemical resistance.
• Pharmaceutical Intermediates: Serves as a versatile precursor in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Liquid Crystal Polymers (LCPs): A valuable intermediate in the manufacture of LCPs used in electronics and high-temperature applications.
• Organic Synthesis & Research: Employed in academic and industrial R&D for constructing novel macrocycles, ligands, and functional materials.
• Specialty Coatings: Contributes to the formulation of advanced, high-performance industrial and protective coatings.

Basic Information

Product Name	1,3-Bis(4-Formylphenoxy)Xylene
CAS No.	64621-41-6
Molecular Formula	C22H18O4
Molecular Weight	346.38 g/mol
Synonyms	1,3-Bis(4-formylphenoxy)benzene; 1,3-Phenylenebis(oxy-4,1-phenylene)dimethanal; 4,4'-(1,3-Phenylenedioxy)dibenzaldehyde; 1,3-Bis(p-formylphenoxy)benzene; α,α'-Bis(p-hydroxybenzylidene)-m-xylene (derivative); m-Xylene-α,α'-diol bis(4-formylphenyl) ether; Bis(4-formylphenoxy)-m-xylene
EINECS	Contact for details

Quality Control

Every batch of 1,3-Bis(4-Formylphenoxy)Xylene is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the high-purity standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is available for each lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage to maintain purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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