Description

1,4-Bis(4-Aminophenoxy)Benzene is a high-purity aromatic diamine monomer of significant industrial importance. Its molecular structure, featuring two primary amine groups linked by ether bridges, makes it a critical building block for the synthesis of advanced polymers. This compound is essential for manufacturers and R&D facilities requiring high-performance materials with excellent thermal and mechanical properties. Its primary utility lies in the production of polyimides, polyamides, and other high-temperature engineering plastics.

Application

• Polymer Synthesis: A key monomer for the production of high-performance polyimides and polyamide-imides used in aerospace, electronics, and automotive industries.
• Epoxy Curing Agent: Functions as a high-performance curing agent for epoxy resin systems, enhancing thermal stability and chemical resistance in advanced composites and adhesives.
• Liquid Crystal Polymers (LCPs): Serves as a diamine component in the synthesis of thermotropic liquid crystal polymers for precision molding applications.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) and other specialty organic compounds.
• Gas Separation Membranes: Incorporated into the polymer matrix of membranes designed for selective gas separation processes.
• High-Temperature Adhesives & Coatings: Imparts superior heat resistance and durability in specialty coating and adhesive formulations.

Basic Information

Product Name	1,4-Bis(4-Aminophenoxy)Benzene
CAS No.	34911-20-1
Molecular Formula	C24H20N2O2
Molecular Weight	368.43 g/mol
Synonyms	4,4'-[1,4-Phenylenebis(oxy)]dianiline; 1,4-Bis(p-aminophenoxy)benzene; 4,4'-(1,4-Phenylenedioxy)dianiline; BAPB; BAPOB; Bis[4-(4-aminophenoxy)phenyl] ether; APB-134; 4-Aminophenyl ether monomer
EINECS	Contact for details

Quality Control

Our 1,4-Bis(4-Aminophenoxy)Benzene is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for polymer-grade applications. Certificates of Analysis (COA) detailing purity, moisture content, and other critical parameters are provided with every shipment to guarantee supply reliability and batch-to-batch consistency.

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 product is easily oxidized (store under inert atmosphere) and is light-sensitive. Keep away from strong oxidizing agents, acids, and moisture. For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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