Description

3,3'-Sulfonylbis[6-Fluoroaniline] is a high-purity aromatic diamine derivative featuring a central sulfone bridge and fluorine substituents. This compound matters as a critical building block in advanced polymer synthesis, offering enhanced thermal stability and chemical resistance to the final materials. It is primarily needed by manufacturers in the polyimide, epoxy resin, and specialty adhesive industries, where it serves as a key monomer for high-performance applications.

Application

• Polyimide Monomer: A key precursor for synthesizing fluorinated polyimides used in high-temperature films, flexible printed circuits (FPC), and aerospace composites.
• Epoxy Curing Agent/Crosslinker: Imparts superior thermal and chemical resistance to epoxy resin systems for advanced coatings and encapsulants.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Liquid Crystal Polymer (LCP) Synthesis: Serves as a monomeric unit in the production of high-performance engineering thermoplastics.
• Specialty Adhesives and Sealants: Enhances the durability and performance of adhesives in demanding environments.
• Chemical Research & Development: Employed as a versatile intermediate in organic synthesis and material science R&D.

Basic Information

Product Name	3,3'-Sulfonylbis[6-Fluoroaniline]
CAS No.	40939-65-9
Molecular Formula	C12H10F2N2O2S
Molecular Weight	284.28 g/mol
Synonyms	3,3'-Sulfonyldi(6-fluoroaniline); Bis(3-amino-2-fluorophenyl) Sulfone; 3,3'-Sulfonylbis(2-fluoroaniline); 2,2'-Difluoro-3,3'-diaminodiphenyl Sulfone; 3,3'-Diamino-2,2'-difluorodiphenyl Sulfone; 6,6'-Difluoro-3,3'-diaminodiphenyl Sulfone; 40939-65-9; FDAS
EINECS	Contact for details

Quality Control

Our 3,3'-Sulfonylbis[6-Fluoroaniline] is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for advanced material synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon) to maintain optimal purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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