Description

4,4'-Dihydroxyoctafluorodiphenyl Monohydrate is a high-purity fluorinated aromatic diol intermediate. This compound is valued for its unique combination of phenolic functionality and the exceptional stability, hydrophobicity, and chemical resistance imparted by the perfluorinated aromatic rings. It is primarily utilized in the synthesis of advanced polymers and specialty chemicals where enhanced performance under demanding conditions is required. Key industries relying on this material include advanced material science, high-performance polymer manufacturing, and specialty chemical synthesis.

Application

• Monomer for High-Performance Polymers: A key building block for synthesizing fluorinated polycarbonates, polyarylates, and polyetherketones, offering superior thermal stability, chemical resistance, and low dielectric constants.
• Synthesis of Fluorinated Epoxy Resins: Used to produce advanced epoxy resin systems with improved moisture resistance, weatherability, and adhesion for demanding coatings and composite applications.
• Advanced Material Intermediates: Serves as a precursor for liquid crystal polymers (LCPs) and other engineering plastics used in electronics, aerospace, and automotive components.
• Pharmaceutical & Agrochemical Intermediates: Employed in the research and development of novel active ingredients that benefit from the metabolic stability and lipophilicity of fluorinated aromatics.
• Cross-linking Agent for Specialty Elastomers: Imparts enhanced solvent and fuel resistance to fluorinated rubbers and other high-performance elastomers.
• Surface Modification Reagents: Used to create low-surface-energy coatings and treatments for textiles, membranes, and electronic displays.

Basic Information

Product Name	4,4'-Dihydroxyoctafluorodiphenyl Monohydrate
CAS No.	205926-99-4
Molecular Formula	C12H4F8O2 • H2O
Molecular Weight	332.16 g/mol
Synonyms	Octafluoro-4,4'-biphenol Monohydrate; 4,4'-(Perfluorobiphenyl)-4,4'-diol Monohydrate; 4,4'-Biphenol, octafluoro-, monohydrate; 2,2',3,3',5,5',6,6'-Octafluoro[1,1'-biphenyl]-4,4'-diol Monohydrate; 4,4'-Dihydroxyoctafluorobiphenyl Monohydrate; FBP Diol Monohydrate; Perfluorobiphenol Monohydrate
EINECS	Contact for details

Quality Control

Our 4,4'-Dihydroxyoctafluorodiphenyl Monohydrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Standard quality parameters include assay (HPLC), identification (IR, NMR), loss on drying, and specific impurity profiling. Certificates of Analysis (COA) documenting full compliance with agreed specifications are provided with every shipment. We support custom purity grades to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture. Observe all local regulations for the storage of chemical substances.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 5.5% (Theoretical for monohydrate ~5.4%)
Related Substances (HPLC)	Any individual impurity ≤ 0.5%; Total impurities ≤ 2.0%
Melting Point	Contact for details

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