Description

4,4-(9H-Fluorene-0,9-Diyl)Bis(3,5-Dimethylphenol) is a high-purity, symmetrically substituted bisphenol derivative featuring a rigid fluorene core, which imparts unique thermal and chemical stability. This compound is valued as a critical advanced monomer and building block for the synthesis of high-performance polymers and specialty chemicals. It is essential for manufacturers in the advanced materials, polymer chemistry, and pharmaceutical intermediates sectors seeking to develop products with enhanced mechanical properties and thermal resistance.

Application

• High-Performance Polymer Synthesis: A key monomer for producing polycarbonates, polyesters, and epoxy resins with superior heat resistance and mechanical strength.
• Advanced Material Development: Serves as a building block for engineering plastics, liquid crystalline polymers (LCPs), and other specialty materials requiring dimensional stability.
• Pharmaceutical Intermediates: Used in the research and synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Antioxidant and Stabilizer Precursor: A starting material for synthesizing specialized phenolic antioxidants used in polymers and lubricants.
• Cross-linking Agent: Functions as a cross-linker in thermosetting resin systems to enhance network density and performance.
• Electronic Materials: Potential application in the development of organic semiconductors and photoresist materials for the electronics industry.

Basic Information

Product Name	4,4-(9H-Fluorene-0,9-Diyl)Bis(3,5-Dimethylphenol)
CAS No.	2222861-04-1
Molecular Formula	C29H26O2
Molecular Weight	406.52 g/mol
Synonyms	9,9-Bis(3,5-dimethyl-4-hydroxyphenyl)fluorene; 4,4'-(9H-Fluorene-9,9-diyl)bis(2,6-dimethylphenol); 2,2',6,6'-Tetramethyl-4,4'-(9H-fluorene-9,9-diyl)diphenol; Fluorene-9,9-diylbis(4-hydroxy-3,5-dimethylbenzene); Bisphenol Fluorene Derivative; 9,9-Bis(4-hydroxy-3,5-dimethylphenyl)fluorene
EINECS	Contact for details

Quality Control

Our 4,4-(9H-Fluorene-0,9-Diyl)Bis(3,5-Dimethylphenol) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

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). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.