Description

4,9-Dihydro-S-Indaceno[1,2-B:5,6-B']Dithiophene is a high-purity organic semiconductor building block essential for advanced materials research and development. Its unique fused-ring, electron-rich structure makes it a critical precursor for constructing high-performance conjugated polymers and small molecules. This compound is primarily sought by R&D chemists and material scientists working in the fields of organic electronics and photovoltaics.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a core donor unit in polymer or small-molecule donors for bulk heterojunction solar cells, enabling efficient light absorption and charge transport.
• Organic Field-Effect Transistors (OFETs): Used as a key component in the synthesis of p-type semiconductor materials for high-mobility electronic devices.
• Perovskite Solar Cells: Employed in the development of novel hole-transporting materials (HTMs) to improve device stability and efficiency.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for host or emissive layer materials in display and lighting applications.
• Chemical Synthesis & Material Science: A versatile intermediate for academic and industrial research into novel π-conjugated systems with tailored optoelectronic properties.

Basic Information

Product Name	4,9-Dihydro-S-Indaceno[1,2-B:5,6-B']Dithiophene
CAS No.	1209012-31-6
Molecular Formula	C16H10S2
Molecular Weight	266.38 g/mol
Synonyms	4,9-Dihydro-s-indaceno[1,2-b:5,6-b']dithiophene; IDT core; Indacenodithiophene (4,9-dihydro-); S-Indaceno[1,2-b:5,6-b']dithiophene, 4,9-dihydro-; IDT (building block); 4,9-Dihydroindaceno[1,2-b:5,6-b']dithiophene
EINECS	Contact for details

Quality Control

Our 4,9-Dihydro-S-Indaceno[1,2-B:5,6-B']Dithiophene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, critical for reproducible research and device performance. Each lot is analyzed via HPLC, NMR, and GC-MS to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its sensitivity, minimize exposure to air and light during handling.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residual Solvents (GC)	Complies with ICH guidelines

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