Description

Ethyl 3-Undecylthieno[3,2-B]Thiophene-2-Carboxylate is a high-purity, specialty organic compound belonging to the fused thiophene class, a key structural motif in advanced materials science. This compound matters for its role as a sophisticated building block or intermediate in the synthesis of novel organic semiconductors and functional polymers. It is primarily needed by R&D chemists and process engineers in the organic electronics, photovoltaics, and specialty chemical sectors seeking to develop next-generation electronic materials.

Application

• Organic Semiconductor Synthesis: Serves as a critical precursor or monomer for developing high-performance organic field-effect transistors (OFETs) and thin-film transistors (TFTs).
• Photovoltaic Material Development: Used in research and production of donor or acceptor materials for organic solar cells (OSCs) and perovskite solar cells to enhance charge transport properties.
• Electroluminescent Materials: Acts as a building block for light-emitting materials in organic light-emitting diodes (OLEDs) for displays and lighting applications.
• Conductive Polymer Research: Employed in the synthesis of novel conjugated polymers with tailored electronic and optical characteristics for flexible electronics.
• Chemical Sensor Fabrication: Utilized in creating sensitive layers for chemical and biological sensors due to its tunable electronic structure.
• Academic & Industrial R&D: A valuable reagent for fundamental research in heterocyclic and materials chemistry, exploring new structure-property relationships.

Basic Information

Product Name	Ethyl 3-Undecylthieno[3,2-B]Thiophene-2-Carboxylate
CAS No.	950223-95-7
Molecular Formula	C20H30O2S2
Molecular Weight	366.57 g/mol
Synonyms	Ethyl 3-undecylthieno[3,2-b]thiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 3-undecylthieno[3,2-b]thiophen-2-yl ester; Thieno[3,2-b]thiophene-2-carboxylic acid, 3-undecyl-, ethyl ester; 3-Undecyl-thieno[3,2-b]thiophene-2-carboxylic acid ethyl ester; TT-11C; EUTTC; Contact for additional trade names and identifiers.
EINECS	Contact for details

Quality Control

Our production of Ethyl 3-Undecylthieno[3,2-B]Thiophene-2-Carboxylate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity, critical for sensitive electronic applications. All materials are characterized using advanced analytical techniques including HPLC, GC-MS, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and R&D documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to preserve stability.

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	< 20 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.