Description

4,4'-Dimethyl-(3,3'-Bithiophene)-2,2'-Dicarboxaldehyde is a high-purity, functionalized bithiophene derivative that serves as a critical building block in advanced materials chemistry. Its value lies in its conjugated molecular structure and reactive aldehyde groups, enabling precise synthesis of complex organic electronic materials. This compound is essential for researchers and manufacturers in the fields of organic semiconductors, photovoltaics, and conductive polymers.

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs) and Organic Light-Emitting Diodes (OLEDs).
• Photovoltaic Material Synthesis: Serves as a core building block for donor-acceptor type materials in organic solar cells (OSCs) and dye-sensitized solar cells (DSSCs).
• Conductive Polymer Development: Used to create polythiophene derivatives with tailored electronic properties for sensors and electrochromic devices.
• Chemical Research & Development: An important intermediate in academic and industrial R&D for exploring new π-conjugated systems and functional materials.
• Ligand and Complex Formation: The aldehyde groups allow for the creation of Schiff base ligands used in coordination chemistry and catalysis.

Basic Information

Product Name	4,4'-Dimethyl-(3,3'-Bithiophene)-2,2'-Dicarboxaldehyde
CAS No.	26554-57-4
Molecular Formula	C12H10O2S2
Molecular Weight	250.34 g/mol
Synonyms	2,2'-Bithiophene-5,5'-dicarboxaldehyde, 4,4'-dimethyl-; 4,4'-Dimethyl-2,2'-bithiophene-5,5'-dicarboxaldehyde; 5,5'-Dicarboxy-4,4'-dimethyl-2,2'-bithiophene; 4,4'-Dimethyl-5,5'-diformyl-2,2'-bithiophene; Diformyl-dimethyl-bithiophene; DM-BT-DA; 4,4'-Dimethyl-3,3'-bithiophene-2,2'-dicarbaldehyde
EINECS	Contact for details

Quality Control

Our production of 4,4'-Dimethyl-(3,3'-Bithiophene)-2,2'-Dicarboxaldehyde adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for sensitive electronic applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
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.