Description

9,9-Bis(2-Cyanoethyl)Fluorene is a high-purity, functionalized fluorene derivative that serves as a critical building block in advanced material synthesis. This compound is valued for its rigid, planar fluorene core and reactive cyanoethyl termini, enabling precise polymer architecture control. It is primarily sought by R&D and production teams in the polymer, electronics, and specialty chemical industries for creating high-performance materials.

Application

• Polymer Synthesis: A key monomer for producing high-refractive-index, thermally stable, and optically transparent polyimides, polyamides, and polycarbonates.
• Advanced Resins: Used in the formulation of specialty epoxy and cyanate ester resins for electronics encapsulation and high-temperature composite matrices.
• Organic Electronics: Serves as a precursor for electron-transport materials (ETMs) and host materials in OLED (Organic Light-Emitting Diode) devices.
• Photoresist Components: Incorporated into chemical amplification resists for semiconductor lithography due to its etch resistance and tunable solubility.
• Liquid Crystal Polymers (LCPs): Acts as a mesogenic unit to enhance the thermal and mechanical properties of LCPs for connectors and displays.
• Pharmaceutical Intermediates: Utilized in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) requiring a rigid, functionalized scaffold.
• Adhesives & Coatings: Imparts enhanced durability, chemical resistance, and adhesion properties to high-performance industrial coatings and adhesives.
• Research & Development: A versatile intermediate for academic and industrial research in material science, supramolecular chemistry, and organic synthesis.

Basic Information

Item	Detail
Product Name	9,9-Bis(2-Cyanoethyl)Fluorene
CAS No.	4425-97-2
Molecular Formula	C21H18N2
Molecular Weight	298.38 g/mol
Synonyms	9,9-Bis(2-cyanoethyl)fluorene; 9H-Fluorene-9,9-diethanol, dinitrile; 9,9-Di(2-cyanoethyl)fluorene; Fluorene-9,9-di(propionitrile); 2,2'-(9H-Fluorene-9,9-diyl)di(acetonitrile); 9,9-Bis(cyanoethyl)fluorene; BCF; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 9,9-Bis(2-Cyanoethyl)Fluorene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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 and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.