Description

Bisphenol AF is a high-purity fluorinated organic compound, serving as a critical building block in advanced polymer synthesis. Its unique chemical structure, featuring two phenolic rings bridged by a hexafluoroisopropylidene group, provides exceptional thermal stability and chemical resistance. This makes it an indispensable intermediate for manufacturers in the fluoropolymer, specialty epoxy resin, and high-performance elastomer industries seeking to enhance material properties.

Application

• Fluoropolymer Production: A key monomer for synthesizing high-performance polymers like polyimides and polyarylates, offering superior thermal and chemical resistance.
• Specialty Epoxy Resins: Used as a curing agent or co-monomer to create epoxy systems with enhanced moisture resistance, low dielectric constant, and high glass transition temperatures for electronic applications.
• Elastomer Cross-linking Agent: Employed in the vulcanization of fluoroelastomers (FKM), improving their sealing properties and resistance to aggressive fuels and chemicals.
• Advanced Composite Materials: Imparts durability and stability to composites used in aerospace, automotive, and semiconductor manufacturing.
• Pharmaceutical & Agro-chemical Intermediates: Serves as a precursor in the synthesis of complex molecules requiring a stable, fluorinated aromatic core.
• Optical Materials: Utilized in the development of optical fibers and lenses due to its ability to influence refractive index and light transmission properties.

Basic Information

Product Name	Bisphenol AF
CAS No.	1478-61-1
Molecular Formula	C15H10F6O2
Molecular Weight	336.23 g/mol
Synonyms	4,4'-(Hexafluoroisopropylidene)diphenol; 2,2-Bis(4-hydroxyphenyl)hexafluoropropane; Bisphenol A hexafluoride; BPAF; 1,1,1,3,3,3-Hexafluoro-2,2-bis(4-hydroxyphenyl)propane; 4,4'-(1,1,1,3,3,3-Hexafluoro-2,2-propylidene)bisphenol; NSC 5111
EINECS	Contact for details

Quality Control

Our Bisphenol AF is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Every lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, IR for identification, and loss on drying. Certificates of Analysis (COA) detailing all specifications are provided to guarantee the material meets your specific application requirements.

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 acids, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 99.0%
Melting Point	160 - 164 °C
Loss on Drying	≤ 0.5 %
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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