Description

Thieno[3,4-B]Thiophene-2-Carboxylic Acid, 3-Fluoro, 2-Ethylhexyl Ester is a high-purity, specialized organic ester derivative designed for advanced material synthesis. This compound matters as a critical building block for developing novel conjugated polymers and organic semiconductors with tailored electronic properties. It is primarily needed by R&D chemists and material scientists in the organic electronics, photovoltaics, and specialty chemical sectors seeking to innovate in next-generation electronic devices.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key monomer or intermediate in the synthesis of low-bandgap polymer donors or acceptors for efficient solar energy conversion.
• Organic Field-Effect Transistors (OFETs): Used in the development of novel semiconducting polymers to enhance charge carrier mobility and device stability.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for emissive or charge-transport layers to improve device efficiency and color purity.
• Chemical Synthesis & Material Science R&D: Functions as a versatile fluorinated building block for creating complex thiophene-based architectures with specific optoelectronic characteristics.
• Specialty Dyes and Pigments: Employed in the synthesis of advanced colorants and functional dyes with unique light-absorption properties.

Basic Information

Product Name	Thieno[3,4-B]Thiophene-2-Carboxylic Acid, 3-Fluoro, 2-Ethylhexyl Ester
CAS No.	1401716-01-5
Molecular Formula	C15H19FO2S2
Molecular Weight	314.44 g/mol
Synonyms	3-Fluoro-thieno[3,4-b]thiophene-2-carboxylic acid 2-ethylhexyl ester; 2-Ethylhexyl 3-fluorothieno[3,4-b]thiophene-2-carboxylate; TT-F Ester; F-TT Ester; 3-F-TT-2-EH; Thieno[3,4-b]thiophene, 3-fluoro-2-(((2-ethylhexyl)oxy)carbonyl)-; 1401716-01-5; CAS 1401716-01-5
EINECS	Contact for details

Quality Control

Our Thieno[3,4-B]Thiophene-2-Carboxylic Acid, 3-Fluoro, 2-Ethylhexyl Ester is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for sensitive electronic material applications. Each lot undergoes rigorous analytical testing, including HPLC, GC, and NMR, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every 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 area at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. For long-term storage, consider an inert atmosphere to preserve optimal quality.

Specification

Item	Specification
Appearance	Light yellow to amber liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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