Description

Thieno[3,2-B]Thiophene-2,5-Dicarboxylic Acid is a high-purity, multifunctional organic building block of significant interest in advanced materials science. This compound serves as a critical precursor for the synthesis of novel conjugated polymers and small molecules with tailored electronic properties. It is primarily sought after by researchers and manufacturers in the organic electronics, pharmaceutical intermediates, and specialty chemical synthesis sectors.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing high-performance conjugated polymers used in Organic Field-Effect Transistors (OFETs) and Organic Photovoltaics (OPVs).
• Pharmaceutical Intermediates: Serves as a sophisticated building block in the research and development of new active pharmaceutical ingredients (APIs).
• Ligand and Catalyst Development: Used to create novel chelating ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Chemistry: Acts as a core structure for developing advanced functional dyes with specific light-absorption or emission properties.
• Material Science Research: Employed in academic and industrial R&D for exploring new electroactive and photoactive materials.
• Specialty Polymer Additives: Can be incorporated to modify the electrical or optical characteristics of engineering polymers.

Basic Information

Product Name	Thieno[3,2-B]Thiophene-2,5-Dicarboxylic Acid
CAS No.	18646-81-6
Molecular Formula	C8H4O4S2
Molecular Weight	228.25 g/mol
Synonyms	Thieno[3,2-b]thiophene-2,5-dicarboxylic acid; 2,5-Thieno[3,2-b]thiophenedicarboxylic acid; 2,5-Dicarboxythieno[3,2-b]thiophene; TTDC; TTDA; Thienothiophene dicarboxylic acid; TTDCA
EINECS	Contact for details

Quality Control

Our Thieno[3,2-B]Thiophene-2,5-Dicarboxylic Acid is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including HPLC, NMR, and elemental analysis for comprehensive characterization. A 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 area at room temperature (15-25°C). This material is moisture-sensitive; keep the original container sealed under an inert atmosphere for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.