4,4'-Bis(4-aminophenoxy)biphenyl (BAPB) CAS 13080-85-8

Name: 4,4'-Bis(4-aminophenoxy)biphenyl (BAPB) CAS 13080-85-8
Brand: Aure Chemical
Price: 1.00 USD
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Synonyms: 4,4′-(1,1′-Biphenyl-4,4′-diyldioxy)dianiline; Benzenamine, 4,4′-[[1,1′-biphenyl]-4,4′-diylbis(oxy)]bis-; 4-{[4′-(4-aminophenoxy)[1,1′-biphenyl]-4-yl]oxy}phenylamine; 4,4'-[Biphenyl-4,4'-diylbis(oxy)]dianiline;

Shandong Aure Chemical Co., Ltd. is one of the leading suppliers of BAPB in China and also one of the manufacturers of this product.

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Product Details

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4,4'-Bis(4-aminophenoxy)biphenyl (BAPB), CAS 13080-85-8, is an aromatic diamine monomer for polyimide systems featuring flexible ether linkages and a rigid biphenyl core, enabling the synthesis of high-performance polymers such as polyimides with enhanced thermal stability, mechanical characteristics, and processability at the material system level.

Basic Information of BAPB

Product Name	4,4'-Bis(4-aminophenoxy)biphenyl
Abbreviation	BAPB
CAS Number	13080-85-8
Molecular Formula	C24H20N2O2
Molecular Weight	368.43 g/mol
Appearance	White to gray to red powder to crystal
Purity	≥99%
Package	1kg/bottle, 20kg/drum, or customized
Molecular Structure

Key Properties

Rigid biphenyl ether backbone contributing to high mechanical strength
Good thermal stability suitable for high-temperature polymer systems
Flexible ether linkage improving processability compared to fully rigid structures
Dual amine groups enabling polymer chain extension or controlled crosslinking
Structural features supporting exploration in specialty functional polymer formulations such as aerogels and covalent organic frameworks

Key Applications of BAPB

High-Performance Polymers: Serves as a monomer for polyimides, poly(ether ether ketone amide)s (PEEKAs), and copolymers, supporting polyimide materials evaluated for high-temperature environments at the formulation and materials research level.

Electronics and Electrical Insulation: Incorporated into polyimide-based insulating materials within polyimide material systems studied for electronics and semiconductor processing , including FCCL and related dielectric structures.

Aerospace and Automotive: Utilized as a structural contributor in heat-resistant plastics and adhesive systems aligned with high-temperature polyimide material research contexts .

Coatings and Adhesives: Acts as a curing or structural component in epoxy and polyurethane systems within specialty functional polymer formulations , contributing to toughness and flexibility at the material design level.

Advanced Materials: Explored in composite and experimental polymer systems relevant to flexible and processable polyimide system development , without implying end-use performance claims.

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Packaging, Logistics & Compliance Capabilities

Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.