Description

Thieno[3,2-B]Thiophene-3,6-Dicarboxylic Acid Diethyl Ester is a high-purity, advanced organic intermediate of significant importance in materials science and pharmaceutical research. This compound serves as a critical building block for the synthesis of novel conjugated polymers and small molecules, enabling the development of next-generation electronic and optoelectronic devices. It is primarily sought after by R&D chemists and process engineers in the organic electronics, semiconductor, and fine chemical synthesis sectors.

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing high-performance donor-acceptor (D-A) type conjugated polymers used in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• OLED Material Intermediate: Used in the development of electron-transporting materials (ETMs) and host materials for organic light-emitting diodes (OLEDs) in display and lighting technologies.
• Pharmaceutical Building Block: Serves as a sophisticated scaffold in medicinal chemistry for the synthesis of potential drug candidates with novel heterocyclic cores.
• Chemical Sensor Development: Employed in the research and fabrication of chemosensors and biosensors due to its electron-rich thienothiophene backbone.
• Non-Linear Optical (NLO) Materials: Investigated as a component in the synthesis of materials for photonic applications, including frequency doubling and optical switching.

Basic Information

Product Name	Thieno[3,2-B]Thiophene-3,6-Dicarboxylic Acid Diethyl Ester
CAS No.	1268375-37-6
Molecular Formula	C12H12O4S2
Molecular Weight	284.35 g/mol
Synonyms	Diethyl Thieno[3,2-b]thiophene-3,6-dicarboxylate; 3,6-Bis(ethoxycarbonyl)thieno[3,2-b]thiophene; Thieno[3,2-b]thiophene-3,6-dicarboxylic Acid Diethyl Ester; Diethyl 3,6-Thieno[3,2-b]thiophenedicarboxylate; TTDE; DTDT; Ethyl 3,6-dicarboxylatethieno[3,2-b]thiophene
EINECS	Contact for details

Quality Control

Every batch of Thieno[3,2-B]Thiophene-3,6-Dicarboxylic Acid Diethyl Ester is produced and tested under strict quality management protocols to ensure consistency and high purity for demanding research and development applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.