Description

1,3-Benzenediamine, 4,4'-[1,4-Phenylenebis(Oxy)]Bis- is a specialized aromatic diamine derivative, serving as a high-performance building block in advanced polymer synthesis. Its molecular structure, featuring ether-linked aromatic rings, provides exceptional thermal stability and mechanical properties to the final materials. This compound is essential for manufacturers in the polyimide, epoxy resin, and high-temperature adhesive sectors, where precise chemical architecture is critical for product performance.

Application

• Polyimide Monomer: A key precursor for high-performance polyimide resins used in flexible printed circuits (FPCs), aerospace components, and high-temperature insulating films.
• Epoxy Curing Agent & Hardener: Imparts enhanced heat resistance, chemical stability, and mechanical strength to advanced epoxy systems for composites and coatings.
• High-Temperature Adhesive Formulation: Used in the synthesis of adhesives and sealants designed for extreme thermal environments.
• Liquid Crystal Polymer (LCP) Intermediate: Serves as a monomer in the production of engineering thermoplastics with exceptional dimensional stability and flow properties.
• Specialty Polyamide Synthesis: Employed in creating aromatic polyamides (aramid-type polymers) for fibers and films requiring high strength and thermal resistance.
• Chemical Crosslinking Agent: Used to modify and crosslink various polymer backbones to improve their thermal and chemical resistance profiles.

Basic Information

Product Name	1,3-Benzenediamine, 4,4'-[1,4-Phenylenebis(Oxy)]Bis-
CAS No.	1041928-17-9
Molecular Formula	C24H20N4O2
Molecular Weight	396.44 g/mol
Synonyms	4,4'-[1,4-Phenylenebis(oxy)]bis-1,3-benzenediamine; Bis(4-amino-2-hydroxyphenyl) Ether; 1,4-Bis(4-amino-2-hydroxyphenoxy)benzene; 4,4'-Oxydi-o-phenylenediamine derivative; Aromatic ether diamine; Polyimide monomer BAPP analogue; High-temperature diamine monomer; Thermoset resin hardener
EINECS	Contact for details

Quality Control

Our production of 1,3-Benzenediamine, 4,4'-[1,4-Phenylenebis(Oxy)]Bis- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC, GC, and NMR. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound may be moisture-sensitive; keep the container tightly sealed under an inert atmosphere such as nitrogen for long-term storage to prevent oxidation and maintain optimal quality.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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