Description

3,4-B']Dithiophene-2,6-Dicarbaldehyde is a high-purity organic building block and key synthetic intermediate. This compound matters for its role as a versatile precursor in the synthesis of advanced conjugated materials and functional organic semiconductors. It is primarily needed by R&D chemists and process engineers in the organic electronics, photovoltaics, and specialty chemical sectors for developing novel polymers and small molecules.

Application

• Organic Semiconductor Synthesis: A critical precursor for constructing donor-acceptor (D-A) type conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs) and Organic Photovoltaics (OPVs).
• Photovoltaic Material Development: Serves as a key aldehyde component in condensation reactions (e.g., Knoevenagel, Stille coupling) to create low-bandgap polymers for solar cell active layers.
• Electroluminescent Material Research: Used in the synthesis of emitting layers for Organic Light-Emitting Diodes (OLEDs) due to its ability to tune electronic properties and color emission.
• Chemical Sensor Fabrication: Employed in developing conjugated polymer-based sensors for detecting various analytes, leveraging its electron-deficient aldehyde groups for binding.
• Nonlinear Optical (NLO) Materials: A building block for creating materials with specific NLO properties for applications in photonics and optoelectronics.
• Academic & Industrial R&D: A valuable reagent for exploratory synthesis in novel heterocyclic and fused-ring systems within medicinal chemistry and material science.

Basic Information

Item	Detail
Product Name	3,4-B']Dithiophene-2,6-Dicarbaldehyde
CAS No.	1160636-26-9
Molecular Formula	C10H4O2S2
Molecular Weight	220.27 g/mol
Synonyms	2,6-Diformyl[1]benzothieno[3,2-b][1]benzothiophene; [1]Benzothieno[3,2-b][1]benzothiophene-2,6-dicarboxaldehyde; BTBT-2,6-dicarbaldehyde; Dithieno[2,3-f:2',3'-h]quinoxaline-2,7-dicarbaldehyde (related structure); 3,4-B']Dithiophene-2,6-dialdehyde; 2,6-Bis(formyl)[1]benzothieno[3,2-b]benzothiophene
EINECS	Contact for details

Quality Control

Our 3,4-B']Dithiophene-2,6-Dicarbaldehyde is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, critical for sensitive electronic material applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is light-sensitive and should be handled under an inert atmosphere when possible to prevent oxidation. Keep away from strong bases and reducing agents.

Specification

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

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