Description

4,4'-Bis(2-Hydroxyhexafluoroisopropyl)Diphenyl Ether is a high-performance fluorinated aromatic diol monomer. This compound matters for its unique combination of thermal stability, chemical resistance, and low surface energy imparted by the hexafluoroisopropylidene groups. It is primarily needed by manufacturers in the advanced polymer, specialty coating, and high-performance material sectors seeking to enhance product durability and performance under extreme conditions.

Application

• Synthesis of Fluorinated Polyimides and Polyesters: A key monomer for producing high-temperature, chemically resistant polymers used in aerospace and electronics.
• Advanced Coating Formulations: Imparts exceptional weather resistance, low friction, and non-stick properties to industrial and protective coatings.
• High-Performance Elastomers: Used as a chain extender or cross-linker in fluorinated rubbers for seals, gaskets, and O-rings in demanding environments.
• Optical Materials: A building block for polymers with low refractive index and high transparency for optical fibers and lenses.
• Membrane Technology: Contributes to the production of gas separation and filtration membranes with superior chemical stability.
• Adhesive and Sealant Systems: Enhances the thermal and chemical resistance of high-end industrial adhesives.

Basic Information

Product Name	4,4'-Bis(2-Hydroxyhexafluoroisopropyl)Diphenyl Ether
CAS No.	2093-04-1
Molecular Formula	C18H10F12O3
Molecular Weight	502.26 g/mol
Synonyms	4,4'-(Hexafluoroisopropylidene)diphenol, Bis(4-hydroxyphenyl)hexafluoropropane, Bisphenol AF, 4,4'-(1,1,1,3,3,3-Hexafluoro-2,2-propylidene)diphenol, 2,2-Bis(4-hydroxyphenyl)hexafluoropropane, 4,4'-(Hexafluoroisopropylidene)bisphenol, 4,4'-(Perfluoroisopropylidene)diphenol, BAF
EINECS	218-245-5

Quality Control

Our production of 4,4'-Bis(2-Hydroxyhexafluoroisopropyl)Diphenyl Ether adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee traceability and compliance with your technical requirements.

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). Keep away from strong acids, strong bases, and oxidizing agents. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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