Description

4,6-Dibromothieno[3,4-B]Thiophene-2-Carboxylic Acid is a high-value, multi-functional heterocyclic building block and key synthetic intermediate. Its unique fused thiophene-thiophene core structure, functionalized with bromine atoms and a carboxylic acid group, makes it indispensable for advanced materials research and pharmaceutical development. This compound is primarily sought by researchers and manufacturers in the organic electronics and medicinal chemistry sectors for constructing complex molecular architectures.

Application

• Organic Semiconductor Precursor: A critical monomer for synthesizing conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs), Organic Photovoltaics (OPVs), and OLEDs.
• Pharmaceutical Intermediate: Serves as a versatile scaffold in medicinal chemistry for the development of novel drug candidates, particularly those targeting specific biological pathways.
• Ligand Synthesis: Used to prepare complex ligands for catalysis and materials science applications, leveraging its electron-rich and modifiable structure.
• Functional Material Development: Employed in creating advanced materials with tailored electronic, optical, or sensing properties.
• Chemical Research & Development: A valuable tool for academic and industrial R&D exploring new reactions and properties of fused heterocyclic systems.

Basic Information

Item	Details
Product Name	4,6-Dibromothieno[3,4-B]Thiophene-2-Carboxylic Acid
CAS No.	1024594-86-2
Molecular Formula	C7H2Br2O2S2
Molecular Weight	355.94 g/mol
Synonyms	4,6-Dibromothieno[3,4-b]thiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 4,6-dibromothieno[3,4-b]thien-2-yl-; Thieno[3,4-b]thiophene-2-carboxylic acid, 4,6-dibromo-; DBTT-COOH; 4,6-Dibromo-thieno[3,4-b]thiophene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 4,6-Dibromothieno[3,4-B]Thiophene-2-Carboxylic Acid is produced and tested under stringent quality management protocols to ensure consistency and purity for research and development applications. We provide comprehensive analytical data, including HPLC, NMR, and mass spectrometry, to verify identity and purity. A Certificate of Analysis (COA) is supplied with each shipment, detailing all relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, handling should be performed under subdued lighting or in amber glass containers when possible.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
Melting Point	Contact for details
Water Content (KF)	< 1.0%
Residue on Ignition	< 0.5%

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