Description

2,2':5',2"-Terthiophene-5-Boronic Acid Pinacol Ester, 97% is a high-purity, functionalized terthiophene derivative that serves as a critical building block in advanced materials synthesis. This compound matters for its role as a key monomer and cross-coupling reagent in the development of organic semiconductors and conductive polymers. It is essential for researchers and manufacturers in the fields of organic electronics, photovoltaics, and chemical sensing who require precise molecular control for tuning material properties.

Application

• Organic Semiconductor Synthesis: A fundamental monomer for constructing conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs) and Organic Light-Emitting Diodes (OLEDs).
• Photovoltaic Materials: Used in the development of donor-acceptor copolymers for bulk heterojunction organic solar cells (OSCs) to enhance light absorption and charge transport.
• Chemical Sensor Fabrication: Incorporated into conductive polymer films to create sensitive and selective sensors for detecting gases, vapors, or specific analytes.
• Electrochromic Devices: Serves as a precursor for polymers that change color in response to an applied electrical voltage.
• Suzuki-Miyaura Cross-Coupling Reactions: Acts as a versatile boronic ester reagent for forming carbon-carbon bonds in complex molecule and polymer synthesis under mild conditions.
• Research & Development: A valuable tool for academic and industrial R&D focused on novel π-conjugated systems and functional organic materials.

Basic Information

Product Name	2,2':5',2"-Terthiophene-5-Boronic Acid Pinacol Ester, 97%
CAS No.	849062-17-5
Molecular Formula	C₂₄H₂₅BO₂S₃
Molecular Weight	452.44 g/mol
Synonyms	5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2':5',2"-terthiophene; 2,2':5',2''-Terthiophene-5-boronic acid pinacol ester; 5-(Pinacolatoboryl)-2,2':5',2''-terthiophene; Terthiophene-5-boronic acid pinacol ester; 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-[2,2':5',2''-terthiophene]; [2,2':5',2''-Terthiophen]-5-ylboronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 2,2':5',2"-Terthiophene-5-Boronic Acid Pinacol Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure the specified 97% minimum purity and consistent chemical identity. Certificates of Analysis (COA) with full characterization data are provided to guarantee reliable performance in your sensitive synthesis and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	< 0.5%
Heavy Metals	< 10 ppm

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