Description

3',4'-Dimethylterthiophene is a high-purity, functionalized oligothiophene derivative, a key building block in advanced organic electronic materials. Its value lies in its precisely engineered molecular structure, which allows for fine-tuning of optoelectronic properties such as charge carrier mobility and band gap. This compound is essential for researchers and manufacturers in the organic semiconductor, photovoltaics, and sensor technology sectors who require reliable, high-quality precursors for device fabrication.

Application

• Organic Semiconductor Development: Serves as a core monomer or dopant for synthesizing conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs).
• Photovoltaic Research: Used in the development of donor or acceptor materials for organic solar cells (OSCs) and perovskite solar cells to improve efficiency and stability.
• Electroluminescent Devices: Acts as a key intermediate in the synthesis of emissive layers for Organic Light-Emitting Diodes (OLEDs) and Light-Emitting Electrochemical Cells (LEECs).
• Chemical Sensing: Employed in the fabrication of sensitive layers for chemiresistive and fluorescent sensors targeting specific analytes.
• 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 critical reagent for fundamental research in material science, supramolecular chemistry, and nanotechnology.

Basic Information

Item	Details
Product Name	3',4'-Dimethylterthiophene
CAS No.	70654-36-3
Molecular Formula	C16H14S3
Molecular Weight	302.47 g/mol
Synonyms	3',4'-Dimethyl-2,2':5',2''-terthiophene; 3,4-Dimethyl-2,2':5',2''-terthiophene; 2,2':5',2''-Terthiophene, 3',4'-dimethyl-; 3',4'-Dimethyl-terthiophene; Dimethylterthiophene
EINECS	Contact for details

Quality Control

Our 3',4'-Dimethylterthiophene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, which is critical for electronic applications. Each lot undergoes comprehensive analysis using techniques including HPLC, GC, and NMR spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to prevent oxidation and degradation. Keep the container in a cool, dry, and well-ventilated place away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details

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