Description

9,9-Bis(2-Hydroxyethyl)Fluorene is a versatile bifunctional organic intermediate featuring a rigid fluorene core with two terminal hydroxyl groups. This molecular structure makes it a valuable building block for synthesizing advanced polymers, including polycarbonates, polyesters, and epoxy resins, where it imparts enhanced thermal stability and mechanical properties. It is primarily utilized by R&D chemists and production engineers in the polymer, specialty chemical, and pharmaceutical industries for creating high-performance materials.

Application

• Polymer Synthesis: A key monomer for producing high-performance, heat-resistant polycarbonates and engineering plastics.
• Epoxy Resin Modifier: Used to create epoxy curing agents and resins with improved flexibility and adhesion for coatings and composites.
• Polyester Polyols: Serves as a chain extender or branching agent in the manufacture of specialty polyester polyols for polyurethanes.
• Pharmaceutical Intermediates: Acts as a precursor in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Crosslinking Agent: Employed in formulations for coatings, adhesives, and sealants to enhance network density and durability.
• Liquid Crystal Polymers (LCPs): A potential monomer for synthesizing LCPs used in electronics and high-strength fibers.

Basic Information

Product Name	9,9-Bis(2-Hydroxyethyl)Fluorene
CAS No.	203070-78-4
Molecular Formula	C₁₇H₁₈O₂
Molecular Weight	254.32 g/mol
Synonyms	9,9-Bis(2-hydroxyethyl)fluorene; 9,9-Bis(2-hydroxyethyl)-9H-fluorene; 2,2'-(9H-Fluorene-9,9-diyl)diethanol; 9,9-Bis(β-hydroxyethyl)fluorene; Fluorene-9,9-diethanol; BHEF; 9H-Fluorene-9,9-diylbis(2-ethanol-1-ol); 9,9-Di(2-hydroxyethyl)fluorene
EINECS	Contact for details

Quality Control

Our 9,9-Bis(2-Hydroxyethyl)Fluorene is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 1.0 %
Heavy Metals	≤ 20 ppm

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