Description

2,7-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-9,9-Bis(3'-Propanoic)Fluorene is a high-purity, bifunctional organic building block featuring both pinacol boronate ester and carboxylic acid functional groups. This compound is critical for the synthesis of advanced materials, particularly in the development of conjugated polymers and small molecules for organic electronics. It is primarily sought by R&D chemists and production specialists in the organic light-emitting diode (OLED), organic photovoltaic (OPV), and semiconductor materials sectors who require precise molecular control for device performance.

Application

• Monomer for Conjugated Polymers: A key precursor in Suzuki-Miyaura cross-coupling polymerizations to create fluorene-based polymers for OLED displays and lighting.
• Organic Photovoltaic (OPV) Materials: Used in the synthesis of electron-donor or acceptor materials for solar cell active layers.
• Semiconductor Material Synthesis: Serves as a building block for organic field-effect transistor (OFET) materials.
• Luminescent Material Development: Incorporated into the backbone of emitters for bio-imaging probes or sensing applications.
• Surface Modification & Functionalization: The carboxylic acid groups allow for attachment to surfaces or other molecules, enabling the creation of functionalized interfaces.
• Pharmaceutical Intermediate: Potential use in synthesizing complex molecules for drug discovery, leveraging the boronic ester for selective couplings.

Basic Information

Product Name	2,7-Bis(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-9,9-Bis(3'-Propanoic)Fluorene
CAS No.	1067250-06-9
Molecular Formula	C₃₃H₄₂B₂O₈
Molecular Weight	588.30 g/mol
Synonyms	9,9-Bis(3-Carboxypropyl)-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)fluorene; 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-di(3-propanoic acid)fluorene; 2,7-Bis(pinacolboranyl)-9,9-bis(3-carboxypropyl)fluorene; Fluorene-2,7-diboronic acid bis(pinacol ester) with 9,9-dipropanoic acid; 2,7-Diboronic acid pinacol ester-9,9-dipropanoic acid fluorene; 2,7-Bis(Bpin)-9,9-Bis(3'-Propanoic)Fluorene; BAF-COOH (common abbreviation in materials science).
EINECS	Contact for details

Quality Control

Our production of this advanced material adheres to strict quality protocols to ensure batch-to-batch consistency critical for electronic applications. Every lot is characterized by NMR (¹H, ¹³C), HPLC, and mass spectrometry to confirm structural identity and high purity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under an inert atmosphere (argon or nitrogen) after opening to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Assay	≥ 95.0% (by NMR)
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.