Description

Bis[4-(2-Aminophenoxy)Phenyl] Sulfone is a high-purity aromatic diamine monomer featuring a sulfone linkage and ether groups. This compound matters as a critical building block for the synthesis of advanced polyimides and other high-performance polymers, offering excellent thermal stability and mechanical properties. It is primarily needed by manufacturers in the aerospace, electronics, and specialty plastics industries for creating heat-resistant resins, adhesives, and insulating materials.

Application

• Key monomer for the synthesis of high-temperature polyimide resins and coatings.
• Intermediate in the production of epoxy curing agents and toughening agents.
• Building block for polyamide-imides (PAI) and other specialty engineering plastics.
• Used in the formulation of advanced composite materials for aerospace and automotive applications.
• Precursor for photosensitive polymers and electronic packaging materials.
• Research and development of novel pharmaceutical intermediates and agrochemicals.

Basic Information

Product Name	Bis[4-(2-Aminophenoxy)Phenyl] Sulfone
CAS No.	52338-52-0
Molecular Formula	C24H20N2O4S
Molecular Weight	432.49 g/mol
Synonyms	4,4'-Bis(2-aminophenoxy)diphenyl sulfone; 1,1'-Sulfonylbis[4-(2-aminophenoxy)benzene]; Bis(4-(2-aminophenoxy)phenyl) sulfone; BAPS; BAPPS; 4,4'-Diaminodiphenylsulfone derivative; 2-Aminophenyl ether sulfone monomer
EINECS	Contact for details

Quality Control

Our Bis[4-(2-Aminophenoxy)Phenyl] Sulfone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for polymer-grade applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. 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	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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