Description

Benzonitrile, 4,4'-(2,1,3-Benzothiadiazole-4,7-Diyl)Bis- is a high-purity organic intermediate featuring a conjugated benzothiadiazole core flanked by benzonitrile groups. This compound matters for its role as a critical building block in the synthesis of advanced electronic materials, offering excellent electron-accepting and charge-transport properties. It is primarily needed by manufacturers in the organic electronics and advanced materials sectors for developing high-performance components.

Application

• Organic Photovoltaics (OPVs): A key electron-acceptor unit in the active layer of polymer solar cells for efficient light-to-energy conversion.
• Organic Light-Emitting Diodes (OLEDs): Used as a host or dopant material in electron-transport layers (ETLs) to enhance device efficiency and longevity.
• Organic Field-Effect Transistors (OFETs): Serves as a semiconducting material for high-mobility n-type or ambipolar transistors.
• Photodetectors & Sensors: Employed in the fabrication of sensitive optical and chemical sensors due to its strong photophysical response.
• Dye-Sensitized Solar Cells (DSSCs): Functions as a component in sensitizers or electrolyte additives to improve electron injection and reduce recombination.
• Academic & Industrial R&D: A valuable precursor for synthesizing novel conjugated polymers and small molecules for material science research.

Basic Information

Product Name	Benzonitrile, 4,4'-(2,1,3-Benzothiadiazole-4,7-Diyl)Bis-
CAS No.	867349-78-8
Molecular Formula	C₂₀H₁₀N₄S
Molecular Weight	338.38 g/mol
Synonyms	4,4'-(Benzo[c][1,2,5]thiadiazole-4,7-diyl)dibenzonitrile; 4,7-Bis(4-cyanophenyl)benzo[c][1,2,5]thiadiazole; 4,7-Bis(4-cyanophenyl)-2,1,3-benzothiadiazole; BT-CN; BTD-CN; 4,7-Di(4-cyanophenyl)-2,1,3-benzothiadiazole; 2,1,3-Benzothiadiazole, 4,7-bis(4-cyanophenyl)-; BTD(CN)₂
EINECS	Contact for details

Quality Control

Our production of Benzonitrile, 4,4'-(2,1,3-Benzothiadiazole-4,7-Diyl)Bis- adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity, critical for electronic-grade applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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 hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere or inert gas to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Moisture (KF)	< 0.5%

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