Description

4,7-Dibromo-2,1,3-benzothiadiazole is a high-purity brominated heterocyclic compound that serves as a critical building block in advanced material synthesis. Its value lies in its role as a versatile precursor for constructing complex organic semiconductors and light-emitting materials. This product is essential for researchers and manufacturers in the organic electronics, photovoltaics, and OLED display sectors who require reliable, high-quality intermediates for their development and production processes.

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing donor-acceptor (D-A) type conjugated polymers and small molecules used in organic field-effect transistors (OFETs).
• OLED Material Intermediate: Used in the development of electron-transport materials (ETMs) and host materials for phosphorescent and thermally activated delayed fluorescence (TADF) OLEDs.
• Organic Photovoltaic (OPV) Material: Serves as an electron-deficient unit in the synthesis of low-bandgap polymers for bulk heterojunction solar cells.
• Fluorescent Sensor Development: Employed as a core fluorophore in the design of chemosensors for detecting ions and small molecules due to its strong electron-accepting properties.
• Non-Fullerene Acceptor Synthesis: A fundamental building block for creating novel non-fullerene acceptors (NFAs) in next-generation organic solar cells.
• Research & Development: A valuable reagent for academic and industrial R&D in materials science, supramolecular chemistry, and photophysics.

Basic Information

Product Name	4,7-Dibromo-2,1,3-benzothiadiazole
CAS No.	15155-41-6
Molecular Formula	C6H2Br2N2S
Molecular Weight	293.97 g/mol
Synonyms	2,1,3-Benzothiadiazole, 4,7-dibromo-; 4,7-Dibromobenzo[c][1,2,5]thiadiazole; 4,7-Dibromobenzo-2,1,3-thiadiazole; 4,7-Dibromo-2,1,3-benzothiadiazole; DBBT; 4,7-Dibromobenzo[1,2,5]thiadiazole; Benzo[1,2,5]thiadiazole, 4,7-dibromo-
EINECS	Contact for details

Quality Control

Our 4,7-Dibromo-2,1,3-benzothiadiazole is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and consistent performance as a synthetic intermediate. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance and R&D documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light). Keep container tightly sealed in a dry environment to minimize moisture exposure.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 98.0%
Melting Point	208 - 212 °C
Loss on Drying	≤ 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.