Description

Bis(Ethylenedithio)Tetrathiafulvalene (CAS NO 66946-48-3) is a pivotal organic semiconductor and electron donor molecule, forming the core building block for conductive charge-transfer salts and superconductors. Its exceptional ability to form stable radical cations and stack into highly ordered, conductive structures makes it indispensable for advanced materials research. This compound is critical for researchers and developers in the fields of organic electronics, molecular superconductors, and nanotechnology.

Application

• Organic Field-Effect Transistors (OFETs): As a key component in the active layer for high-mobility p-type semiconductors.
• Conductive Charge-Transfer Complexes: Formation of highly conductive salts with acceptors like TCNQ for molecular wires and conductive films.
• Molecular Superconductors: Research and development of Bechgaard salts and other low-dimensional superconducting materials.
• Electrochemical Sensors: Utilized in modified electrodes for sensitive detection due to its stable redox properties.
• Nonlinear Optical Materials: Investigation for applications in photonics and optoelectronics.
• Organic Radical Batteries: Exploration as a cathode-active material for next-generation energy storage.
• Chemical Synthesis: Serving as a precursor for more complex tetrathiafulvalene (TTF) derivatives and functional materials.

Basic Information

Product Name	Bis(Ethylenedithio)Tetrathiafulvalene
CAS No.	66946-48-3
Molecular Formula	C₁₀H₈S₈
Molecular Weight	448.70 g/mol
Synonyms	BEDT-TTF; ET; Bis(ethylenedithio)tetrathiafulvalene; (2,2'-Bi-1,3-dithiolo[4,5-b][1,4]dithiinylidene)-4,4',5,5'-tetrathiol; 4,4',5,5'-Tetrakis(methylthio)-2,2'-bi-1,3-dithiole; BEDT-TTF donor
EINECS	Contact for details

Quality Control

Our Bis(Ethylenedithio)Tetrathiafulvalene is produced under stringent conditions to ensure high purity and batch-to-batch consistency, critical for reproducible research in advanced materials. Each lot undergoes comprehensive analytical characterization. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., argon or nitrogen) at a controlled room temperature (15-25°C) to prevent oxidation and degradation. This material is light-sensitive and easily oxidized; prolonged exposure to air or light should be avoided.

Specification

Item	Specification
Appearance	Dark purple to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%

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