Description

2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene is a high-purity, advanced organic electronic material, specifically a key monomer for conjugated polymers. This compound matters as a critical building block in the synthesis of high-performance semiconducting polymers used in next-generation electronic devices. It is primarily needed by R&D chemists and material scientists in the organic electronics, photovoltaics, and semiconductor industries for developing novel materials with tailored optoelectronic properties.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a crucial electron-donor or acceptor unit in polymer solar cells for efficient light absorption and charge transport.
• Organic Field-Effect Transistors (OFETs): Used as a monomer to synthesize semiconducting polymers for high-mobility, flexible electronic circuits and displays.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for emissive layer materials, contributing to color purity and device efficiency.
• Chemical Synthesis & Material Science R&D: A versatile reagent for Suzuki-Miyaura cross-coupling reactions to construct complex π-conjugated systems.
• Perovskite Solar Cells: Investigated as a component in hole-transport materials or interfacial layers to enhance device stability and performance.
• Sensors and Bioelectronics: Used in developing conductive polymer-based sensors for detecting chemical or biological analytes.

Basic Information

Item	Details
Product Name	2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene
CAS No.	924894-85-9
Molecular Formula	C22H32B2O4S2
Molecular Weight	438.04 g/mol
Synonyms	2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene; Thieno[3,2-b]thiophene-2,5-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane); 2,5-Di(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene; TT-B; Thieno[3,2-b]thiophene-2,5-diboronic acid bis(pinacol) ester; 2,5-Bis(pinacolatoboryl)thieno[3,2-b]thiophene; 924894-85-9; TT-B Pinacol Ester
EINECS	Contact for details

Quality Control

Our 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene 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 suitable for sensitive electronic applications. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as specified on the label. This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to prevent degradation. Keep container tightly sealed in a desiccated environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
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.