Description

2,7-Dibromobenzo[1,2-B:6,5-B']Dithiophene-4,5-Dione is a high-purity, functionalized organic semiconductor building block. This compound matters for its role as a critical precursor in the synthesis of advanced conjugated polymers and small molecules for electronic applications. It is primarily needed by R&D chemists and material scientists in the organic electronics, photovoltaics, and specialty chemical manufacturing industries.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing donor-acceptor (D-A) type conjugated polymers used in organic field-effect transistors (OFETs).
• Organic Photovoltaic (OPV) Materials: Serves as an electron-deficient unit in polymer or small molecule donors for bulk-heterojunction solar cells.
• Perovskite Solar Cell Components: Used in the development of novel hole-transporting materials (HTMs) or interfacial layers to improve device efficiency and stability.
• Electroluminescent Materials: Incorporated into the backbone of polymers for potential use in organic light-emitting diodes (OLEDs).
• Chemical Research & Development: A versatile intermediate for exploring new π-conjugated systems with tailored optoelectronic properties.
• Specialty Dyes and Pigments: Acts as a precursor for the synthesis of novel chromophores with specific absorption and emission characteristics.

Basic Information

Item	Detail
Product Name	2,7-Dibromobenzo[1,2-B:6,5-B']Dithiophene-4,5-Dione
CAS No.	1258459-49-2
Molecular Formula	C12H2Br2O2S2
Molecular Weight	409.08 g/mol
Synonyms	2,7-Dibromobenzo[1,2-b:6,5-b']dithiophene-4,5-dione; 4,5-Dioxo-4,5-dihydrobenzo[1,2-b:6,5-b']dithiophene-2,7-diyl dibromide; BDT-Dione dibromide derivative; Dibrominated benzo[1,2-b:6,5-b']dithiophene-4,5-dione; 2,7-Dibromo-BDT-4,5-dione
EINECS	Contact for details

Quality Control

Every batch of 2,7-Dibromobenzo[1,2-B:6,5-B']Dithiophene-4,5-Dione is synthesized and purified under controlled conditions to ensure high chemical purity and lot-to-lot consistency, which is critical for reproducible performance in electronic device fabrication. Our products undergo rigorous quality testing, including HPLC, NMR, and elemental analysis, to ensure compliance with stringent R&D and pilot-scale production standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C) under an inert atmosphere for long-term stability. The compound is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Elemental Analysis	Conforms to theoretical values (±0.4%)

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