Description

S-Indaceno[1,2-B:5,6-B']Dithiophene-4,9-Dione is a high-purity organic semiconductor building block and electron-accepting unit critical for advanced materials research. This compound matters for its role in developing next-generation organic electronic devices due to its favorable optoelectronic properties and planar, fused-ring structure. It is primarily needed by researchers and manufacturers in the fields of organic photovoltaics (OPVs), organic field-effect transistors (OFETs), and perovskite solar cells for synthesizing novel low-bandgap polymers and small molecule acceptors.

Application

• Organic Photovoltaic (OPV) Materials: As a key electron-deficient unit for synthesizing donor-acceptor (D-A) type conjugated polymers and non-fullerene acceptors (NFAs) for high-efficiency solar cells.
• Organic Field-Effect Transistors (OFETs): Used in the development of n-type or ambipolar semiconductor materials for thin-film transistors.
• Perovskite Solar Cell Components: Employed in the design of hole-transporting materials (HTMs) or interfacial layers to improve device stability and performance.
• Photodetectors and Sensors: Serves as a core component in organic semiconductors for light-sensing applications.
• Academic and Industrial R&D: A fundamental building block for exploring new organic electronic materials and structure-property relationships.

Basic Information

Product Name	S-Indaceno[1,2-B:5,6-B']Dithiophene-4,9-Dione
CAS No.	1209012-30-5
Molecular Formula	C18H6O2S2
Molecular Weight	318.37 g/mol
Synonyms	IDT; Indacenodithiophene-4,9-dione; 4,9-Dioxo-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene; S-IDT; IDT-dione; IDT Quinone; IDTQ; CAS 1209012-30-5
EINECS	Contact for details

Quality Control

Our S-Indaceno[1,2-B:5,6-B']Dithiophene-4,9-Dione is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity, essential for reproducible research and development. We provide comprehensive analytical data including HPLC purity, NMR, and mass spectrometry characterization. Certificates of Analysis (COA) detailing all specifications are available for every batch upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is light-sensitive (store away from light). For long-term storage, consider storing under an inert atmosphere to prevent potential degradation.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystals
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97% (Typical 98-99%)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents	Complies with ICH guidelines

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