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.

We can provide customized requirements in terms of product purity, packaging specifications, and other aspects.

Please contact us to obtain the latest product information.

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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 diamine monomer featuring flexible ether linkages and a sulfone group, enabling the synthesis of high-performance polymers with excellent thermal stability, mechanical strength, chemical resistance, and biocompatibility.

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 formula

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 harsh environments

Key Applications of BAPS-M

High-Performance Polymers: Serves as a diamine monomer for producing polyimides, including films, resins, engineering plastics, and photosensitive polyimides, used in aerospace composites and structural components for their heat resistance and lightweight properties.

Electronics and Electrical Insulation: Utilized in insulating materials and components due to its dielectric strength, thermal stability, and mechanical properties, suitable for electronic and electrical applications.

Medical Devices: Employed in the production of biocompatible medical devices and implants, leveraging its chemical resistance and safety profile.

Plastics and Rubber Additives: Acts as an antioxidant to extend the service life of rubber and plastic materials; also used as an intermediate in polymer synthesis for textiles and plastics industries.

Pharmaceuticals and Biochemical Research: Functions as a synthesis intermediate for dyes and pharmaceuticals; additionally, applied in proteomics research as a useful biochemical.

Detailed COA / TDS / MSDS are available upon request. Please Contact Us for more information.

Packaging, Transportation & Storage

Aure Chemical ensures that all products are handled in compliance with international safety and quality standards. Each product’s SDS should be consulted for detailed requirements.

Packaging

We use certified UN-rated containers suitable for each chemical type — including steel drums, HDPE drums, IBCs, and ISO tank containers for bulk liquids. All packages are tested for integrity and labeled per IMDG / IATA / ADR standards.

Transportation

Shipments comply with IMDG, IATA, and ADR codes to ensure safe and lawful movement by sea, air, or land. Accompanying documents include SDS, Dangerous Goods Declarations, and COAs.

Storage

Products should be stored in well-ventilated, dry areas, away from heat and incompatible substances. Follow ISO 9001 / 14001 principles for safety, labeling, and periodic inspection.

For detailed handling or customized packaging inquiries, please contact us.

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