Description

6,6'-Bis(Ethylthio)-δ2,2'(3H,3'H)-Bibenzo[B]Thiophene-3,3'-Dione is a specialized organic sulfur compound with a complex fused heterocyclic structure. This high-purity intermediate is valued for its unique electronic and structural properties, making it a critical building block in advanced material synthesis. It is primarily sought by research institutions and industrial manufacturers in the fields of organic electronics and functional dyes.

Application

• Organic Semiconductor Precursor: A key intermediate in the synthesis of p-type organic semiconductor materials for OFETs (Organic Field-Effect Transistors) and OLED (Organic Light-Emitting Diode) devices.
• Photovoltaic Material Development: Used in research and production of donor-acceptor polymers for organic solar cells (OPVs) due to its electron-rich thiophene backbone.
• Functional Dye Synthesis: Serves as a core structure for creating novel pigments and dyes with specific light-absorption or charge-transport properties.
• Electrochromic Material Research: Investigated for use in smart windows and displays where materials change color with applied voltage.
• Chemical Research Intermediate: Employed in academic and industrial R&D for constructing complex heteroaromatic systems and studying charge-transfer complexes.
• Ligand for Catalysis: Potential use in designing sulfur-containing ligands for transition metal catalysis in fine chemical synthesis.

Basic Information

Product Name	6,6'-Bis(Ethylthio)-δ2,2'(3H,3'H)-Bibenzo[B]Thiophene-3,3'-Dione
CAS No.	6371-17-1
Molecular Formula	C₂₀H₁₄O₂S₄
Molecular Weight	422.58 g/mol
Synonyms	6,6'-Di(ethylthio)-2,2'-bi-1,3-benzodithiole-3,3'-dione; 6,6'-Bis(ethylthio)-2,2'-bi-1,3-benzodithiole-3,3'-dione; 6,6'-Bis(ethylthio)-2,2'-bibenzodithiole-3,3'-dione; 6,6'-Diethylthio-2,2'-bibenzodithiole-3,3'-dione; ETBD; 6371-17-1; Bibenzo[b]thiophene-3,3'-dione, 6,6'-bis(ethylthio)-δ2,2'(3H,3'H)-
EINECS	Contact for details

Quality Control

Our production of 6,6'-Bis(Ethylthio)-δ2,2'(3H,3'H)-Bibenzo[B]Thiophene-3,3'-Dione adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity required for sensitive electronic applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profile is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere when appropriate for prolonged use. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residue on Ignition	< 0.1%
Solubility	Soluble in common organic solvents (e.g., DCM, THF, Chloroform)

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