Description

Thieno[2,3-B]Thiophene-2,5-Dicarboxaldehyde is a high-purity, versatile heterocyclic dialdehyde building block essential for advanced organic synthesis. Its unique fused thiophene structure makes it a critical precursor for developing novel materials with tailored electronic and optical properties. This compound is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and organic electronics industries for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for constructing novel heterocyclic drug candidates, particularly in kinase inhibitor and antiviral research.
• Organic Semiconductor Precursor: Used in the synthesis of conjugated polymers and small molecules for organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Agrochemical Synthesis: Acts as a building block for developing new active ingredients with potential herbicidal or insecticidal activity.
• Ligand and Chelator Development: The aldehyde groups provide handles for creating complexing agents and catalysts for metal-organic frameworks (MOFs).
• Dye and Pigment Chemistry: Employed in the synthesis of novel chromophores and fluorophores for imaging and sensor applications.
• Material Science Research: Fundamental research into new π-conjugated systems for advanced electronic and photonic materials.

Basic Information

Product Name	Thieno[2,3-B]Thiophene-2,5-Dicarboxaldehyde
CAS No.	41784-82-1
Molecular Formula	C8H4O2S2
Molecular Weight	196.25 g/mol
Synonyms	2,5-Thieno[2,3-b]thiophenedicarboxaldehyde; Thieno[2,3-b]thiophene-2,5-dicarbaldehyde; 2,5-Diformylthieno[2,3-b]thiophene; 2,5-Bis(formyl)thieno[2,3-b]thiophene; TTDCA; TTDA; 41784-82-1; Thienothiophene dialdehyde
EINECS	Contact for details

Quality Control

Our Thieno[2,3-B]Thiophene-2,5-Dicarboxaldehyde is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical characterization, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or production specifications. Custom purity grades and analytical packages are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 15-25°C. This compound is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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