Description

2,7-Dibromo-4,9-Dihydro-4,4,9,9-Tetrakis(4-Hexylphenyl)-S-Indaceno[1,2-B:5,6-B']Dithiophene is a high-performance organic semiconductor building block, specifically engineered as a key monomer for advanced conjugated polymers. This compound matters for its critical role in tuning the optoelectronic properties of materials used in next-generation electronic devices. It is primarily needed by R&D chemists and material scientists in the organic electronics sector, particularly those developing high-efficiency organic photovoltaics (OPVs) and organic field-effect transistors (OFETs).

Application

• Organic Photovoltaic (OPV) Materials: Serves as a crucial electron-donor or acceptor unit in the synthesis of low-bandgap conjugated polymers for high-efficiency solar cells.
• Organic Field-Effect Transistors (OFETs): Used as a core building block to create semiconducting polymers with high charge carrier mobility for flexible electronics.
• Perovskite Solar Cell Components: Employed in the development of hole-transporting materials (HTMs) or interfacial layers to enhance device stability and performance.
• Organic Light-Emitting Diodes (OLEDs): Acts as a monomer for creating emissive or charge-transport layers in display and lighting technologies.
• Chemical Synthesis & Material Science R&D: Provides a versatile, brominated intermediate for further cross-coupling reactions (e.g., Suzuki, Stille) to construct complex organic electronic materials.
• Academic & Industrial Research: Essential for fundamental studies on structure-property relationships in non-fullerene acceptors and donor-acceptor copolymers.

Basic Information

Product Name	2,7-Dibromo-4,9-Dihydro-4,4,9,9-Tetrakis(4-Hexylphenyl)-S-Indaceno[1,2-B:5,6-B']Dithiophene
CAS No.	1049034-71-0
Molecular Formula	C78H88Br2S2
Molecular Weight	1225.48 g/mol
Synonyms	2,7-Dibromo-4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene; IDTBR (derivative precursor); Indacenodithiophene-based monomer; Dibromo-IDT derivative; 2,7-Dibromo-4,4,9,9-tetrakis(4-hexylphenyl)-s-indaceno[1,2-b:5,6-b']dithiophene; CAS 1049034-71-0; Organic semiconductor monomer; OPV/OFET building block
EINECS	Contact for details

Quality Control

Our high-purity organic electronic chemicals undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with advanced material specifications. Standard quality assurance includes HPLC purity analysis, NMR structural verification, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key impurities is provided with each shipment to support your R&D and scale-up processes.

Storage

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

Specification

Item	Specification
Appearance	Dark red to purple solid
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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