Description

1,2-Bis(4-Aminophenoxy)Benzene (124Bapb) is a high-purity aromatic diamine monomer, a critical building block in advanced polymer synthesis. This compound matters for its role as a key precursor in the production of high-performance polyimides and polyamides, materials prized for their exceptional thermal stability and mechanical properties. Industrial manufacturers and R&D laboratories in the electronics, aerospace, and specialty plastics sectors require this monomer to develop next-generation heat-resistant films, coatings, adhesives, and composite matrices.

Application

• Polyimide Synthesis: Primary monomer for manufacturing high-temperature, high-strength polyimide resins and films.
• Advanced Composites: Used in the production of matrix resins for carbon fiber and other high-performance composites in aerospace and automotive applications.
• Electronic Materials: Key ingredient in dielectric layers, flexible printed circuit boards (FPCBs), and passivation coatings for semiconductors.
• Adhesives & Sealants: Imparts thermal and chemical resistance to high-performance adhesives used in demanding environments.
• Specialty Polymers: Serves as a chain extender or cross-linking agent in various specialty polyamides, polyurethanes, and epoxy systems.
• Research & Development: Essential for academic and industrial R&D focused on novel polymer architectures and material science.

Basic Information

Product Name	1,2-Bis(4-Aminophenoxy)Benzene (124Bapb)
CAS No.	49860-97-1
Molecular Formula	C24H20N2O2
Molecular Weight	368.43 g/mol
Synonyms	1,2-Bis(4-aminophenoxy)benzene; 4,4'-[1,2-Phenylenebis(oxy)]dianiline; 1,2-Bis(p-aminophenoxy)benzene; BAPB; 124BAPB; APB; Bis(4-aminophenoxy)benzene; 1,2-Di(4-aminophenoxy)benzene
EINECS	Contact for details

Quality Control

Our 1,2-Bis(4-Aminophenoxy)Benzene is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for polymer-grade applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency for your critical 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 product is easily oxidized (store under inert atmosphere) and is light-sensitive. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	118 - 122 °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.