Description

4,6-Bis(5-Bromo-2-Thienyl)Thieno[3,4-C][1,2,5]Thiadiazole is a high-value, specialized organic semiconductor building block with the CAS number 1145743-00-5. This compound is engineered to serve as a critical electron-accepting unit in the synthesis of advanced conjugated polymers and small molecules. It is essential for researchers and manufacturers developing next-generation organic electronic materials. Key target industries include organic photovoltaics (OPVs), organic field-effect transistors (OFETs), and other optoelectronic devices.

Application

• Organic Photovoltaic (OPV) Materials: Serves as a key electron-deficient monomer for constructing low-bandgap donor-acceptor (D-A) polymers used in high-efficiency solar cells.
• Organic Field-Effect Transistors (OFETs): Used in the synthesis of n-type or ambipolar semiconducting polymers for high-mobility electronic devices.
• Organic Light-Emitting Diodes (OLEDs): Acts as an intermediate for electron-transport materials (ETMs) or host materials in display and lighting technologies.
• Chemical Sensors: Incorporated into conjugated polymer backbones to create materials with tunable electronic properties for detecting specific analytes.
• Academic & Industrial R&D: A fundamental building block for exploring new structure-property relationships in conjugated materials and heterocyclic chemistry.
• Non-Fullerene Acceptors (NFAs): Used as a core or intermediate in the development of novel non-fullerene electron acceptors for bulk-heterojunction solar cells.

Basic Information

Product Name	4,6-Bis(5-Bromo-2-Thienyl)Thieno[3,4-C][1,2,5]Thiadiazole
CAS No.	1145743-00-5
Molecular Formula	C14H4Br2N2S4
Molecular Weight	528.26 g/mol
Synonyms	4,6-Bis(5-bromothiophen-2-yl)thieno[3,4-c][1,2,5]thiadiazole; 2,5-Bis(5-bromothiophen-2-yl)thieno[3,4-c][1,2,5]thiadiazole; 4,6-Di(5-bromo-2-thienyl)thieno[3,4-c]thiadiazole; TTzBr; Thieno[3,4-c][1,2,5]thiadiazole, 4,6-bis(5-bromo-2-thienyl)-; BTT; Brominated Thienothiadiazole Monomer
EINECS	Contact for details

Quality Control

Our production of 4,6-Bis(5-Bromo-2-Thienyl)Thieno[3,4-C][1,2,5]Thiadiazole adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity, critical for electronic material performance. Each lot undergoes comprehensive analysis including HPLC for purity assessment, NMR for structural confirmation, and elemental analysis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The compound is light-sensitive; prolonged exposure to light should be avoided. Keep the container sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residue on Ignition	< 0.5%
Heavy Metals (as Pb)	< 20 ppm

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