Thiophene-2,5-diboronic acid bis(pinacol) ester

CAS 175361-81-6C16H26B2O4SOrganic & Printed Electronics

Thiophene-2,5-diboronic acid bis(pinacol) ester (CAS: 175361-81-6) is a key organoboron compound with the molecular formula C16H26B2O4S. This white solid serves as a valuable diboronic acid ester thiophene monomer for polymerisation via Suzuki coupling. It is predominantly utilised in the development of organic and printed electronics, including organic photovoltaics (OPV) and organic field-effect transistors (OFET).

IUPAC: 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene,2,5-Thiophenediboronic acid bis(pinacol) ester
Synonyms: 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene2,5-Thiophenediboronic acid bis(pinacol) ester

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Thiophene-2,5-diboronic acid bis(pinacol) ester (C16H26B2O4S) — chemical structure, CAS 175361-81-6; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceSynthetic IntermediatesSynthetic Tools and Reagents

01 /Applications

Organic Photovoltaics (OPV)

As a thiophene-based building block, this diboronic ester is instrumental in synthesising conjugated polymers for OPV devices. Its structure facilitates efficient charge transport and light absorption, contributing to improved solar cell performance.

Organic Field-Effect Transistors (OFET)

The compound is employed in the creation of semiconducting materials for OFETs. Its polymerised derivatives can exhibit desirable charge mobility characteristics, making them suitable for flexible electronics and sensor applications.

Suzuki Coupling Reactions

This compound acts as a versatile monomer in palladium-catalysed Suzuki cross-coupling reactions. It enables the facile construction of complex conjugated systems by forming new carbon-carbon bonds with aryl or vinyl halides.

Materials Science Research

Its utility extends to broader materials science research, providing a reliable synthetic intermediate for novel functional materials with tailored electronic or optical properties.

02 /Properties

Molecular weight	336.06
Empirical formula	C16H26B2O4S
Assay	99% (GC)
Application	Diboronic acid ester thiophene monomer for polymerization by Suzuki coupling; used for OPV and OFET applications.
Melting point	227-231 °C

03 /Identifiers & registry

CAS number

175361-81-6

04 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

05 /Frequently asked questions

What is Thiophene-2,5-diboronic acid bis(pinacol) ester used for?

It is primarily used as a diboronic acid ester thiophene monomer for polymerisation by Suzuki coupling, with key applications in organic photovoltaics (OPV) and organic field-effect transistors (OFET).

What is the CAS number and molecular formula?

The CAS number is 175361-81-6, and the molecular formula is C16H26B2O4S.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this product with an assay of 99% (GC). We do not represent this product as USP, BP, or EP grade.

What are the safety considerations for handling this chemical?

Refer to the Safety Data Sheet (SDS) for detailed hazard information. Appropriate personal protective equipment (PPE) should be used during handling to avoid exposure.

How is this chemical supplied and exported?

Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. This product is carefully packed and prepared for domestic and international shipment.