Description

9,9-Diphenylfluorene CAS NO 20302-14-1 is a high-purity organic compound belonging to the fluorene class, characterized by its two phenyl substituents at the 9-position. This structural feature makes it a valuable intermediate and building block in advanced material science and organic synthesis. It is primarily sought after by manufacturers and R&D teams in the pharmaceutical, OLED (Organic Light-Emitting Diode), and specialty polymer industries for its role in creating complex molecular architectures.

Application

• OLED Materials: Serves as a core building block for host materials, electron transporters, and hole-blocking layers in organic light-emitting diode (OLED) displays and lighting.
• Pharmaceutical Intermediates: Used in the synthesis of complex active pharmaceutical ingredients (APIs) and other biologically active molecules.
• Polymer Science: Acts as a monomer or cross-linking agent in the production of high-performance, heat-resistant polymers and resins.
• Organic Electronics: A key precursor for materials used in organic photovoltaics (OPV), field-effect transistors (OFETs), and other electronic devices.
• Liquid Crystal Materials: Employed in the development of components for liquid crystal displays (LCDs) due to its rigid, planar structure.
• Chemical Research: Utilized as a standard or reagent in academic and industrial research for studying reaction mechanisms and developing new synthetic methodologies.
• Dye and Pigment Intermediates: Functions as a precursor in the synthesis of specialized dyes and fluorescent pigments.

Basic Information

Product Name	9,9-Diphenylfluorene
CAS No.	20302-14-1
Molecular Formula	C25H18
Molecular Weight	318.41 g/mol
Synonyms	9,9-Diphenyl-9H-fluorene; 9H-Fluorene, 9,9-diphenyl-; Diphenylfluorene; NSC 407259; 9,9-Bis(phenyl)fluorene; 9,9-Diphenyl-9H-fluorene; 9,9-Diphenylfluorenyl; Fluorene, 9,9-diphenyl-
EINECS	243-732-4

Quality Control

Our 9,9-Diphenylfluorene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for high-end applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment to guarantee traceability and consistency for our global B2B clients.

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 oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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