Description

(3-Aminophenyl)(2,4'-Diaminobiphenyl-4-Yl)Sulfone is a specialized aromatic sulfone derivative featuring multiple amine functional groups. This compound is a critical high-performance monomer and intermediate valued for its ability to impart thermal stability and mechanical strength to advanced polymers. It is primarily sought by manufacturers in the aerospace, electronics, and specialty coatings industries for the synthesis of polyimides, polyamides, and other high-temperature resins. Its unique structure enables the development of materials with exceptional durability under demanding conditions.

Application

• High-Temperature Polyimide Synthesis: Serves as a key diamine monomer for producing polyimide films and resins used in flexible printed circuits (FPCs) and aerospace components.
• Advanced Epoxy Curing Agent: Functions as a cross-linking agent for high-performance epoxy systems, enhancing glass transition temperature (Tg) and chemical resistance.
• Polybenzoxazole (PBO) and Polybenzimidazole (PBI) Precursor: Used in the production of ultra-high-performance fibers and thermally stable polymers.
• Specialty Adhesives and Sealants: Imparts superior heat resistance and adhesion in formulations for automotive and electronic assembly.
• Photoresist and Electronic Chemicals: Acts as a building block for photosensitive polymers in semiconductor manufacturing processes.
• Dye and Pigment Intermediate: Utilized in the synthesis of complex, heat-stable organic pigments and dyes.

Basic Information

Product Name	(3-Aminophenyl)(2,4'-Diaminobiphenyl-4-Yl)Sulfone
CAS No.	247128-16-1
Molecular Formula	C24H21N3O2S
Molecular Weight	415.51 g/mol
Synonyms	4,4'-Sulfonylbis[2-aminobiphenyl]; 4,4'-Sulfonylbis(2-aminobiphenyl); 2,2'-Diamino-4,4'-sulfonyldibiphenyl; 4,4'-Sulfonyldi-o-biphenyldiamine; Bis(2-amino-4-biphenylyl) sulfone; 2,2'-Bis(aminophenyl)-4,4'-sulfonyldibiphenyl; [1,1'-Biphenyl]-2-amine, 4,4'-sulfonylbis-
EINECS	Contact for details

Quality Control

Our (3-Aminophenyl)(2,4'-Diaminobiphenyl-4-Yl)Sulfone is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the exacting specifications required for high-performance polymer applications. Certificates of Analysis (COA) documenting purity, moisture content, and heavy metal limits are provided to guarantee traceability and consistency for our global customers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.