Description

5'-Hexyl-2,2'-Bithiophene-5-Boronic Acid Pinacol Ester is a high-purity, functionalized bithiophene derivative designed for advanced material synthesis. This compound is a critical building block in the development of conjugated polymers and organic semiconductors, valued for its ability to facilitate precise cross-coupling reactions. It is essential for researchers and manufacturers in the fields of organic electronics, photovoltaics, and specialty chemical synthesis. CAS No. 579503-59-6.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing conjugated polymers used in organic field-effect transistors (OFETs) and organic light-emitting diodes (OLEDs).
• Photovoltaic Material Development: Serves as a precursor for donor-acceptor copolymers in bulk heterojunction organic solar cells (OSCs).
• Chemical Research & Development: Used as a versatile boronic ester reagent in Suzuki-Miyaura cross-coupling reactions to create complex thiophene-based architectures.
• Electrochromic Devices: Employed in the synthesis of polymers that change color with applied voltage for smart windows and displays.
• Sensor Technology: A building block for creating conductive polymer films used in chemical and biological sensing applications.
• Specialty Dyes and Pigments: Used to develop novel chromophores with specific electronic and optical properties.

Basic Information

Product Name	5'-Hexyl-2,2'-Bithiophene-5-Boronic Acid Pinacol Ester
CAS No.	579503-59-6
Molecular Formula	C20H27BO2S2
Molecular Weight	374.36 g/mol
Synonyms	5-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)-5'-hexyl-2,2'-bithiophene; 5'-Hexyl-[2,2'-bithiophene]-5-boronic acid pinacol ester; 2-(5'-Hexyl-[2,2'-bithiophen]-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 5-Hexyl-2,2'-bithien-5-ylboronic acid pinacol ester; 5'-Hexyl-2,2'-bithiophene-5-ylboronic acid pinacol ester; Hexyl-bithiophene boronic ester
EINECS	Contact for details

Quality Control

Our 5'-Hexyl-2,2'-Bithiophene-5-Boronic Acid Pinacol Ester is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every 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 room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and when opening the container to prevent degradation.

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%

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