Description

9-Diethylphosphonofluorene is a high-value organophosphorus compound featuring a fluorene backbone, serving as a critical intermediate in advanced organic synthesis. Its primary value lies in its role as a versatile building block for constructing complex molecular architectures, particularly in the development of functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require precise and reliable synthetic precursors.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the development of advanced herbicides, pesticides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Acts as a crucial building block for electron-transport materials and host materials in display and lighting technologies.
• Ligand for Catalysis: Serves as a precursor for phosphine-based ligands used in cross-coupling and other transition metal-catalyzed reactions.
• Polymer & Material Science: Incorporated into the backbone of specialty polymers to impart specific electronic or thermal properties.
• Research & Development: A valuable reagent for academic and industrial R&D in synthetic organic and organometallic chemistry.

Basic Information

Product Name	9-Diethylphosphonofluorene
CAS No.	7142-76-9
Molecular Formula	C₁₇H₁₉O₃P
Molecular Weight	302.30 g/mol
Synonyms	Diethyl (9H-fluoren-9-yl)phosphonate; 9H-Fluoren-9-ylphosphonic Acid Diethyl Ester; 9-Fluorenylphosphonic Acid Diethyl Ester; Diethyl 9-Fluorenylphosphonate; 9-Diethoxyphosphorylfluorene; Fluorene-9-diethylphosphonate; (9H-Fluoren-9-yl)phosphonic Acid Diethyl Ester
EINECS	Contact for details

Quality Control

Our 9-Diethylphosphonofluorene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.