Description

Poly(Thiophene-2,5-Diyl), Br Terminated is a conjugated polymer derivative where the polymer chain ends are capped with bromine atoms. This material is a key functional precursor in advanced materials science, valued for its processability and ability to undergo further chemical modifications. It is primarily sought by researchers and manufacturers in the fields of organic electronics, conductive polymers, and sensor technology for developing next-generation devices.

Application

• Precursor for Conductive Polymers: Serves as a starting material for synthesizing regioregular poly(3-alkylthiophenes) (P3ATs) via cross-coupling reactions like Grignard metathesis or Kumada coupling.
• Organic Electronic Devices: Used in the research and development of organic field-effect transistors (OFETs), organic photovoltaics (OPVs), and organic light-emitting diodes (OLEDs).
• Chemical Sensor Fabrication: Employed to create thin-film sensing elements responsive to various analytes due to its tunable electronic properties.
• Antistatic and Conductive Coatings: Can be processed into coatings for electrostatic discharge (ESD) protection.
• Polymer Brushes and Surface Modification: The terminal bromine groups allow for grafting onto surfaces or initiating controlled polymerization for creating functional interfaces.
• Research & Development: A critical building block in academic and industrial R&D for exploring new conjugated polymer architectures and properties.

Basic Information

Product Name	Poly(Thiophene-2,5-Diyl), Br Terminated
CAS No.	25233-34-5
Molecular Formula	(C4H2S)n·(Br)x
Molecular Weight	Varies (Polymer)
Synonyms	Bromine-Terminated Polythiophene; Poly(2,5-thiophenediyl), bromo-terminated; Poly(thiophene-2,5-diyl) bromide; PTh-Br; Bromo-end-capped polythiophene; Conductive polymer precursor; Poly(2,5-thienylene) brominated; Regioregular poly(3-hexylthiophene) precursor
EINECS	Contact for details

Quality Control

Our Poly(Thiophene-2,5-Diyl), Br Terminated is produced under controlled conditions to ensure batch-to-batch consistency for research and development purposes. Each lot is characterized to confirm key parameters such as molecular weight distribution and end-group functionality. A Certificate of Analysis (COA) detailing specific test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C) under an inert atmosphere if possible, as the material may be sensitive to oxidation over time. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark solid (powder, flakes, or chunks)
Identification (IR)	Conforms to structure
Bromine Content	Contact for details
Number Average Molecular Weight (Mn)	Specified per grade (e.g., 5k, 10k, 20k Da)
Polydispersity Index (PDI)	< 2.5 (Typical)
Solubility	Soluble in common organic solvents (e.g., THF, chloroform, toluene)

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