Description

4,4'-Difluorodiphenyl Sulfone is a high-purity fluorinated aromatic sulfone compound, serving as a critical building block in advanced polymer synthesis. Its value lies in its ability to impart exceptional thermal stability, chemical resistance, and specific electronic properties to high-performance materials. This intermediate is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, particularly for developing poly(arylene ether sulfone)s (PAES) and other engineering plastics.

Application

• Key Monomer for High-Performance Polymers: Primary building block for synthesizing fluorinated poly(arylene ether sulfone)s (F-PAES) and other engineering thermoplastics.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) requiring a sulfone and fluorine motif for enhanced bioactivity and metabolic stability.
• Agrochemical Synthesis: Serves as a precursor in the development of advanced herbicides, fungicides, and pesticides.
• Material Science Research: Employed in R&D for creating novel polymers with high thermal, oxidative, and hydrolytic stability for extreme environments.
• Electrolyte Additive: Investigated for use in lithium-ion battery electrolytes to improve stability and performance.
• Liquid Crystal & OLED Materials: Potential intermediate in the synthesis of fluorinated components for electronic display materials.

Basic Information

Product Name	4,4'-Difluorodiphenyl Sulfone
CAS No.	1626364-13-3
Molecular Formula	C12H8F2O2S
Molecular Weight	254.25 g/mol
Synonyms	Bis(4-fluorophenyl) sulfone; 1-Fluoro-4-[(4-fluorophenyl)sulfonyl]benzene; 4,4'-Fluorodiphenyl Sulfone; 4-Fluorophenyl sulfone; DFPS; 4,4'-Difluorodiphenylsulfone
EINECS	Contact for details

Quality Control

Our 4,4'-Difluorodiphenyl Sulfone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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