Description

7,7'-Dichloro-δ2,2'(3H,3'H)-Bi[Benzo[B]Thiophene]-3,3'-Dione is a high-purity, specialized organic compound belonging to the class of bis(benzothiophene)diones. This chemical serves as a critical advanced intermediate for the synthesis of complex functional materials, where its unique heterocyclic structure imparts specific electronic and photophysical properties. It is primarily sought by R&D laboratories and manufacturers in the fine chemical and advanced material sectors for developing novel compounds.

Application

• Organic Semiconductor Precursor: A key building block for the synthesis of novel organic electronic materials used in OLEDs, OFETs, and photovoltaics.
• Pharmaceutical Intermediate: Serves as a sophisticated scaffold in the research and development of new active pharmaceutical ingredients (APIs), particularly for targeted therapies.
• Dye and Pigment Synthesis: Used in the production of high-performance dyes and pigments, leveraging its fused ring system for color and stability.
• Ligand and Catalyst Development: Acts as a precursor for creating specialized ligands in coordination chemistry and catalysis research.
• Material Science Research: Employed in academic and industrial R&D for constructing complex molecular architectures and studying structure-property relationships.
• Photoinitiator Component: Investigated for use in advanced photoinitiator systems for UV-curable coatings and resins.

Basic Information

Product Name	7,7'-Dichloro-δ2,2'(3H,3'H)-Bi[Benzo[B]Thiophene]-3,3'-Dione
CAS No.	6371-11-5
Molecular Formula	C16H6Cl2O2S2
Molecular Weight	365.26 g/mol
Synonyms	7,7'-Dichloro-2,2'-bi-1-benzothiophene-3,3'(2H,2'H)-dione; 3,3'-Dichloro-2,2'-dithiaindan-1,1'-dione; 7,7'-Dichlorodithioindigo; Dichloro-δ2,2'-bi(benzothiophene)-3,3'-dione; 7,7'-Dichloro-2,2'-bibenzothiophene-3,3'-dione; 6371-11-5; Dithioindigo derivative
EINECS	Contact for details

Quality Control

Our 7,7'-Dichloro-δ2,2'(3H,3'H)-Bi[Benzo[B]Thiophene]-3,3'-Dione is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity (typically by HPLC), and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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