4,4'-Bis(3-aminophenoxy)diphenyl sulfone (M-BAPS) CAS 30203-11-3

Name: 4,4'-Bis(3-aminophenoxy)diphenyl sulfone (M-BAPS) CAS 30203-11-3
Brand: Aure Chemical
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Synonyms: Bis[4-(3-aminophenoxy)phenyl] sulfone; 3,3'-[Sulfonylbis(4,1-phenyleneoxy)]dianiline

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

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Product Details

Aure Chemical Delivers Excellence in Hexane BAPS-M

4,4'-Bis(3-aminophenoxy)diphenyl sulfone (BAPS-M), CAS 30203-11-3, is a polyimide diamine monomer featuring flexible ether linkages and a sulfone group, enabling the synthesis of high-performance polymers with excellent thermal stability, mechanical strength, and chemical resistance.

Basic Information of BAPS-M

Product Name	4,4'-Bis(3-aminophenoxy)diphenyl sulfone
Abbreviation	BAPS-M
CAS Number	30203-11-3
Molecular Formula	C24H20N2O4S
Molecular Weight	432.49 g/mol
Appearance	White to green to brown powder to crystal
Purity	≥99%
Package	1kg/bottle, 20kg/drum, or customized
Molecular Structure

Key Properties

Sulfone group enhances thermal and oxidative stability
Excellent mechanical strength in derived polymers
Good solubility in organic solvents for processing
Strong adhesion and toughness in coatings and films
Reliable performance in high-temperature polyimide material contexts

Key Applications of BAPS-M

High-Performance Polymers: Serves as a diamine monomer for producing polyimides, including films, resins, and engineering plastics, supporting flexible and processable polyimide systems and specialty functional polyimide materials .
Electronics and Electrical Insulation: Utilized in insulating material formulations and polymer systems relevant to electronics-related polyimide processing , where thermal and dielectric stability are required at the material level.
Coatings, Films, and Membranes: Incorporated into polymer-based coatings and films for transparent polyimide film formulations and other functional material contexts.
Polymer Intermediates and Additives: Acts as an intermediate or functional component in polymer synthesis and modification, supporting durability and chemical resistance in plastics and composite materials.

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