Description

5,5'-Dibromo-2,2'-bithiophene is a high-purity, halogenated bithiophene derivative that serves as a critical building block in advanced material synthesis. This compound matters for its role as a key monomer and intermediate in the development of conjugated polymers and organic semiconductors. It is primarily needed by researchers and manufacturers in the organic electronics, photovoltaics, and specialty chemical sectors for creating materials with tailored electronic and optical properties.

Application

• Organic Semiconductor Precursor: A fundamental monomer for synthesizing conjugated polymers used in organic field-effect transistors (OFETs) and organic light-emitting diodes (OLEDs).
• Photovoltaic Material Research: Serves as a building block for donor-acceptor copolymers in the development of next-generation organic solar cells (OPVs).
• Electrochromic and Sensor Materials: Used in the creation of polymers that change color with electrical stimulus, applicable in smart windows and chemical sensors.
• Ligand and Catalyst Synthesis: Acts as a starting material for synthesizing complex ligands and catalysts in transition metal chemistry.
• Pharmaceutical Intermediate: Employed in the research and development of novel active pharmaceutical ingredients (APIs) with thiophene cores.
• Material Science R&D: A versatile reagent for academic and industrial research focused on novel π-conjugated systems and functional materials.

Basic Information

Product Name	5,5'-Dibromo-2,2'-Bithiophene
CAS No.	4805-22-5
Molecular Formula	C8H4Br2S2
Molecular Weight	323.96 g/mol
Synonyms	2,2'-Bithiophene, 5,5'-dibromo-; 5,5'-Dibromobithiophene; 5,5'-Dibromo-2,2'-dithienyl; 2,2':5',2''-Terthiophene, 5,5''-dibromo- (precursor related); DBBT; 5,5'-Dibromodithiophene
EINECS	Contact for details

Quality Control

Our 5,5'-Dibromo-2,2'-bithiophene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including HPLC, GC, and NMR, to verify identity and purity. Certificates of Analysis (COA) detailing all test results are provided and available upon request to support your quality assurance and regulatory needs.

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). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	155 - 160 °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.