Description

1,4-Bis(3-Aminophenoxy)Benzene (CAS NO 59326-56-6) is a high-purity aromatic diamine monomer of significant industrial importance. Its molecular structure, featuring two amine groups linked by rigid aromatic ether bridges, makes it a critical building block for advanced polymers. This compound is essential for manufacturers requiring high-performance materials with excellent thermal stability and mechanical properties. Key industries include aerospace, electronics, and specialty coatings.

Application

• Polyimide Synthesis: A key monomer for producing high-temperature, high-strength polyimide resins and films used in flexible printed circuits (FPCs) and aerospace components.
• Epoxy Curing Agent: Serves as a high-performance curing agent for epoxy resin systems, enhancing thermal and chemical resistance in advanced composites and adhesives.
• Polyamide Production: Used in the synthesis of aromatic polyamides (aramids) for fibers and films requiring exceptional strength and thermal stability.
• Liquid Crystal Polymers (LCPs): Acts as a monomeric unit in the manufacture of LCPs for precision molded parts in electronics and automotive applications.
• Pharmaceutical Intermediates: Employed in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Crosslinking Agent: Functions as a crosslinker in polymer networks to improve heat resistance and dimensional stability.

Basic Information

Product Name	1,4-Bis(3-Aminophenoxy)Benzene
CAS No.	59326-56-6
Molecular Formula	C24H20N2O2
Molecular Weight	368.43 g/mol
Synonyms	1,4-Bis(3-aminophenoxy)benzene; 4,4'-Bis(3-aminophenoxy)diphenyl ether; 1,3-Bis(4-aminophenoxy)benzene (isomer); BAPB; BAPO; Bis[3-aminophenoxy]benzene; 4,4'-(1,4-Phenylenebis(oxy))dianiline; 59326-56-6
EINECS	Contact for details

Quality Control

Our 1,4-Bis(3-Aminophenoxy)Benzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for polymer synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, moisture content, and other critical parameters is provided with every shipment to guarantee traceability and consistency for your production processes.

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; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon blanket). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	118 - 122 °C
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.