Description

2,3,6,7-Tetramethylbenzo[2,1-B:3,4-B']Dithiophene-4,5-Dicarboxylic Acid Dimethyl Ester is a high-purity, functionalized organic semiconductor building block critical for advanced materials research and development. This compound matters for its role as a key precursor in the synthesis of novel conjugated polymers and small molecules used in next-generation electronic devices. It is primarily needed by R&D chemists and material scientists in the organic electronics, photovoltaics, and specialty chemical industries.

Application

• Organic Semiconductor Synthesis: A fundamental monomer for constructing p-type (hole-transporting) conjugated polymers and small molecules.
• Organic Photovoltaic (OPV) Materials: Serves as a core unit in donor-acceptor copolymers for high-efficiency solar cell applications.
• Organic Field-Effect Transistors (OFETs): Used to develop high-mobility organic semiconductors for flexible electronics and displays.
• Perovskite Solar Cell Components: Employed in the synthesis of hole-transport materials (HTMs) to enhance device stability and performance.
• Electroluminescent Materials: Acts as a building block for light-emitting materials in OLED (Organic Light-Emitting Diode) research.
• Chemical Intermediate: Used in advanced organic synthesis for creating complex, multi-functional aromatic systems.
• Academic & Industrial R&D: A valuable reagent for exploring new structure-property relationships in π-conjugated systems.

Basic Information

Product Name	2,3,6,7-Tetramethylbenzo[2,1-B:3,4-B']Dithiophene-4,5-Dicarboxylic Acid Dimethyl Ester
CAS No.	30962-29-9
Molecular Formula	C20H18O4S2
Molecular Weight	386.48 g/mol
Synonyms	Dimethyl 2,3,6,7-tetramethylbenzo[1,2-b:4,5-b']dithiophene-4,5-dicarboxylate; 4,5-Dicarbomethoxy-2,3,6,7-tetramethylbenzo[1,2-b:4,5-b']dithiophene; 2,3,6,7-Tetramethylbenzo[1,2-b:4,5-b']dithiophene-4,5-dicarboxylic acid dimethyl ester; BDT-TM ester; TM-BDT dimethyl ester; Benzo[1,2-b:4,5-b']dithiophene-4,5-dicarboxylic acid, 2,3,6,7-tetramethyl-, dimethyl ester
EINECS	Contact for details

Quality Control

Our 2,3,6,7-Tetramethylbenzo[2,1-B:3,4-B']Dithiophene-4,5-Dicarboxylic Acid Dimethyl Ester is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for sensitive electronic applications. Each lot undergoes comprehensive analytical characterization including HPLC, NMR, and GC-MS to verify identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The compound is light-sensitive and should be handled under inert atmosphere when appropriate for prolonged use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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