Description

[2,2'-Bithiophene]-3-Carboxylic Acid is a high-purity, functionalized bithiophene derivative serving as a critical building block in advanced materials science. This compound is valued for its role as a precursor in the synthesis of conjugated polymers and organic semiconductors, where its carboxylic acid group enables precise molecular engineering. It is essential for researchers and manufacturers in the fields of organic electronics, photovoltaics, and sensor technology who require reliable, high-quality intermediates for innovative material development.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing conjugated polymers and small molecules used in organic field-effect transistors (OFETs) and organic light-emitting diodes (OLEDs).
• Photovoltaic Materials: Serves as a precursor for electron-donor materials in the development of bulk heterojunction organic solar cells.
• Chemical Sensing: Used to fabricate functionalized surfaces and conductive polymers for sensitive and selective chemical and biological sensors.
• Electrochromic Devices: Employed in the synthesis of polymers that change color in response to an applied voltage for smart windows and displays.
• Pharmaceutical Intermediates: Acts as a specialized synthon in medicinal chemistry for the development of novel therapeutic agents.
• Material Research & Development: A fundamental reagent for academic and industrial R&D focused on novel thiophene-based architectures and supramolecular chemistry.

Basic Information

Product Name	[2,2'-Bithiophene]-3-Carboxylic Acid
CAS No.	19783-52-9
Molecular Formula	C9H6O2S2
Molecular Weight	210.27 g/mol
Synonyms	3-Carboxy-2,2'-bithiophene; 2,2'-Bithiophene-3-carboxylic acid; 3-(2-Thienyl)thiophene-2-carboxylic acid; 2,2'-Bithienyl-3-carboxylic Acid; 3-Bithiophenecarboxylic Acid; 2,2'-Bithiophene-3-carboxylate; 3-(2-Thienyl)-2-thiophenecarboxylic acid; 2,2'-Dithiophene-3-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of [2,2'-Bithiophene]-3-Carboxylic Acid is produced and tested under strict quality management protocols to ensure consistency and high purity for research and industrial applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to meet the exacting standards required for advanced material synthesis. Certificates of Analysis (COA) documenting batch-specific results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, handling should be conducted under appropriate conditions to preserve stability.

Specification

Item	Specification
Appearance	White to off-white 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.