Description

9,9'-Spirobi[9H-Fluorene]-3-Ylboronicacid is a high-purity, advanced organic building block featuring a rigid spirobi[fluorene] core functionalized with a boronic acid group. This compound is a critical intermediate for the synthesis of sophisticated organic electronic materials, valued for its ability to facilitate Suzuki-Miyaura cross-coupling reactions. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel compounds with specific electronic and structural properties.

Application

• Organic Light-Emitting Diode (OLED) Materials: Serves as a key precursor for synthesizing host, hole-transport, or electron-transport materials in display and lighting technologies.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs), particularly for constructing complex, conjugated molecular architectures.
• Agrochemical Synthesis: Employed in creating novel active ingredients for crop protection with enhanced stability and efficacy.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for developing high-performance polymers, such as polyfluorenes, for electronic and optoelectronic applications.
• Liquid Crystal & Sensor Development: Utilized in the synthesis of components for liquid crystal displays (LCDs) and chemical sensing platforms due to its rigid, planar structure.
• Academic & Industrial R&D: A valuable reagent for exploring new chemical spaces and reaction methodologies in synthetic organic chemistry.

Basic Information

Product Name	9,9'-Spirobi[9H-Fluorene]-3-Ylboronicacid
CAS No.	1421789-04-9
Molecular Formula	C25H17BO2
Molecular Weight	360.22 g/mol
Synonyms	3-Borono-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobi[9H-fluorene]-3-boronic acid; 3-(9,9'-Spirobi[fluorene]-3-yl)boronic acid; 2-(9,9'-Spirobi[fluorene]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (protected form); 9,9'-Spirofluorene-3-boronic acid; 3-Borono-spirobi[fluorene]; SF3B; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 9,9'-Spirobi[9H-Fluorene]-3-Ylboronicacid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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