Description

5''-Bromo-2,2':5',2''-Terthiophene-5-Carboxaldehyde is a high-purity, functionalized terthiophene derivative, a key building block in advanced organic electronics. This compound matters for its role as a crucial precursor in the synthesis of conjugated polymers and small molecules, enabling precise tuning of electronic and optical properties. It is primarily needed by R&D chemists and material scientists in the organic semiconductor, photovoltaics, and sensor technology industries for developing next-generation electronic devices.

Application

• Organic Semiconductor Synthesis: A critical monomer for constructing p-type (hole-transport) conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs).
• Photovoltaic Materials: Serves as a building block for donor materials in Organic Photovoltaic (OPV) cells and Perovskite Solar Cells to enhance light absorption and charge transport.
• Electroluminescent Devices: Used in the development of emitting layers for Organic Light-Emitting Diodes (OLEDs) and Light-Emitting Electrochemical Cells (LEECs).
• Chemical Sensors: Functionalization point for creating sensitive layers in chemiresistive and fluorescent sensors for detecting gases, metals, or biomolecules.
• Electrochromic Materials: A precursor for polymers that change color upon application of an electrical voltage, used in smart windows and displays.
• Academic & Industrial R&D: A versatile intermediate for exploring new conjugated systems and structure-property relationships in materials science.

Basic Information

Product Name	5''-Bromo-2,2':5',2''-Terthiophene-5-Carboxaldehyde
CAS No.	161726-69-8
Molecular Formula	C13H7BrOS3
Molecular Weight	371.29 g/mol
Synonyms	5'-Bromo-2,2':5',2''-terthiophene-5-carboxaldehyde; 5-Bromo-5'-formyl-2,2':5',2''-terthiophene; 5-Formyl-5''-bromo-2,2':5',2''-terthiophene; 2,2':5',2''-Terthiophene-5-carboxaldehyde, 5''-bromo-; 5''-Bromoterthiophene-5-carboxaldehyde; BTTC; Contact for additional trade names or abbreviations.
EINECS	Contact for details

Quality Control

Our 5''-Bromo-2,2':5',2''-Terthiophene-5-Carboxaldehyde is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for reproducible research and development. We provide comprehensive analytical data including HPLC purity, NMR, and mass spectrometry characterization. Certificates of Analysis (COA) are available for every batch upon request, detailing all relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This material is light-sensitive (store away from light). For long-term storage, consider storing under an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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