Description

5-Bromo-2,2'-Bithiophene-5'-Carboxaldehyde is a high-value, functionalized bithiophene derivative that serves as a critical building block in advanced organic synthesis. Its molecular structure, featuring both a bromo substituent and an aldehyde group, makes it an exceptionally versatile intermediate for constructing complex conjugated systems. This compound is primarily sought after by R&D and production teams in the organic electronics, pharmaceutical, and specialty chemical sectors. Its precise reactivity enables the development of novel materials with tailored optoelectronic properties.

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs) and Organic Photovoltaics (OPVs).
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of potential drug candidates, particularly those with thiophene-based heterocyclic cores.
• Ligand Synthesis: Used to prepare functionalized ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Acts as an intermediate for creating novel thiophene-based dyes, fluorescent markers, and pigments.
• Material Science Research: Employed in academic and industrial R&D for developing new functional materials with specific electronic or optical characteristics.
• Cross-Coupling Reactions: The bromo substituent makes it an excellent substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to form extended π-systems.

Basic Information

Product Name	5-Bromo-2,2'-Bithiophene-5'-Carboxaldehyde
CAS No.	110046-60-1
Molecular Formula	C9H5BrOS2
Molecular Weight	273.17 g/mol
Synonyms	5'-Bromo-2,2'-bithiophene-5-carboxaldehyde; 5-Bromo-5'-formyl-2,2'-bithiophene; 2,2'-Bithiophene-5-carboxaldehyde, 5'-bromo-; 5-Bromo-2,2'-bithiophene-5-carbaldehyde; 5'-Bromo-[2,2']bithiophenyl-5-carbaldehyde
EINECS	Contact for details

Quality Control

Every batch of 5-Bromo-2,2'-Bithiophene-5'-Carboxaldehyde is manufactured and tested under strict quality management protocols to ensure consistency and purity for sensitive synthetic applications. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its light-sensitive nature and potential for oxidation, prolonged exposure to light and air should be minimized. For long-term storage, consider under an inert atmosphere.

Specification

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