Description

5,5'-Dibromo-[2,2']-Bithiophenyl-4,4'-Dicarboxylic Acid Bis-(2-Butyl-Octyl) Ester is a high-purity, functionalized bithiophene derivative designed for advanced material synthesis. This compound matters as a critical building block for creating semiconducting polymers and small molecules with tailored electronic and optical properties. It is primarily needed by researchers and manufacturers in the organic electronics, photovoltaics, and specialty chemical industries for developing next-generation electronic devices.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs) and Organic Light-Emitting Diodes (OLEDs).
• Photovoltaic Materials: Serves as a precursor for electron-donor materials in the active layer of Organic Photovoltaic (OPV) cells and Perovskite Solar Cells.
• Electrochromic Devices: Used in the development of materials that change color or opacity in response to an electrical stimulus.
• Chemical Sensor Fabrication: Employed to create sensitive layers in chemiresistive and fluorescent sensors for detecting various analytes.
• Non-Linear Optical (NLO) Materials: A valuable intermediate for synthesizing compounds with applications in optical limiting and frequency conversion.
• Academic & Industrial R&D: A versatile intermediate for exploring new thiophene-based architectures in material science and supramolecular chemistry.

Basic Information

Product Name	5,5'-Dibromo-[2,2']-Bithiophenyl-4,4'-Dicarboxylic Acid Bis-(2-Butyl-Octyl) Ester
CAS No.	1269638-58-5
Molecular Formula	C38H56Br2O4S2
Molecular Weight	792.77 g/mol
Synonyms	5,5'-Dibromo-4,4'-bis(2-butyloctyloxycarbonyl)-2,2'-bithiophene; 2,2'-Bithiophene-5,5'-dibromo-4,4'-dicarboxylic acid bis(2-butyloctyl) ester; 5,5'-Dibromodithieno[3,2-b:2',3'-d]thiophene-4,4'-dicarboxylic acid bis(2-butyloctyl) ester (common misnomer); DBT-2BO Ester; 5,5'-Dibromo-DTBT diester; 1269638-58-5; Bithiophene dibromo diester monomer
EINECS	Contact for details

Quality Control

Our 5,5'-Dibromo-[2,2']-Bithiophenyl-4,4'-Dicarboxylic Acid Bis-(2-Butyl-Octyl) Ester is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for reproducible research and manufacturing. Each lot undergoes comprehensive analysis including HPLC for purity and NMR for structural confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as specified on the label or COA. This material is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are sealed under an inert atmosphere after opening to prevent degradation and maintain purity.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	< 0.5%

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