Description

2 2':5' 2''-Terthiophene-5 5''-Dicarboxylic Acid is a high-purity, functionalized oligothiophene derivative that serves as a critical building block in advanced materials science. This compound matters for its role as a precursor in the synthesis of conjugated polymers and small molecules, enabling precise control over electronic and optical properties. It is primarily needed by researchers and manufacturers in the organic electronics, photovoltaics, and sensor technology sectors for developing next-generation devices.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing p-type conjugated polymers and small molecules used in organic field-effect transistors (OFETs).
• Photovoltaic Materials: Serves as a precursor for electron-donor materials in the active layer of organic solar cells (OSCs) and perovskite solar cells.
• Electrochromic Devices: Used in the development of materials that change color or opacity in response to an electrical stimulus.
• Chemical Sensing: Functionalization point for creating sensitive layers in chemiresistive and fluorescent sensors for detecting vapors or specific analytes.
• Nonlinear Optical Materials: Building block for chromophores with applications in optical limiting and frequency conversion.
• Academic & Industrial R&D: Essential for fundamental research in supramolecular chemistry, polymer science, and materials engineering.

Basic Information

Product Name	2 2':5' 2''-Terthiophene-5 5''-Dicarboxylic Acid
CAS No.	13130-50-2
Molecular Formula	C14H8O4S3
Molecular Weight	336.41 g/mol
Synonyms	5,5''-Dicarboxy-2,2':5',2''-terthiophene; 2,2':5',2''-Terthiophene-5,5''-dicarboxylic acid; Terthiophene-5,5''-dicarboxylic Acid; α-Terthiophene-5,5''-dicarboxylic Acid; 5,5''-Bis(carboxy)-2,2':5',2''-terthiophene; [2,2':5',2''-Terthiophene]-5,5''-dicarboxylic acid; 5,5''-Terthiophenedicarboxylic Acid
EINECS	Contact for details

Quality Control

Our 2 2':5' 2''-Terthiophene-5 5''-Dicarboxylic Acid is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for reproducible research and manufacturing. Each lot is characterized using advanced analytical techniques, and a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided. We support compliance with relevant research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.5%

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