Description

5,5'''-Di-n-Octyl-2,2':5',2'':5'',2'''-Quaterthiophene is a high-purity, functionalized oligothiophene derivative, a key building block in advanced organic electronic materials. Its extended conjugated π-system and solubilizing octyl chains make it a critical component for tuning the optoelectronic properties of semiconducting polymers and small molecules. This compound is essential for researchers and manufacturers in the fields of organic photovoltaics (OPVs), organic field-effect transistors (OFETs), and organic light-emitting diodes (OLEDs), where precise molecular structure dictates device performance.

Application

• Organic Semiconductor Development: As a core building block for p-type (hole-transport) semiconducting polymers and small molecules used in electronic devices.
• Organic Photovoltaic (OPV) Cells: Serves as an electron donor material or as a component in donor-acceptor copolymers for efficient solar light absorption and charge generation.
• Organic Field-Effect Transistors (OFETs): Used to fabricate the active layer, contributing to high charge carrier mobility and stable device operation.
• Organic Light-Emitting Diodes (OLEDs): Incorporated into emissive or charge-transport layers to achieve specific emission colors and improve device efficiency.
• Chemical Sensing: Utilized in the fabrication of sensitive layers for detecting various analytes due to its tunable electronic properties upon interaction.
• Academic & Industrial R&D: A vital reagent for synthesizing novel conjugated materials and studying structure-property relationships in organic electronics.

Basic Information

Product Name	5,5'''-Di-n-Octyl-2,2':5',2'':5'',2'''-Quaterthiophene
CAS No.	882659-01-0
Molecular Formula	C40H50S4
Molecular Weight	683.09 g/mol
Synonyms	5,5'''-Di-n-octylquaterthiophene; 5,5'''-Dioctyl-2,2':5',2'':5'',2'''-quaterthiophene; α,ω-Di-n-octylquaterthiophene; 5,5'''-Dioctylquaterthiophene; 2,2':5',2'':5'',2'''-Quaterthiophene, 5,5'''-dioctyl-; DOctyl-QT; 4T(C8)2
EINECS	Contact for details

Quality Control

Our 5,5'''-Di-n-Octyl-2,2':5',2'':5'',2'''-Quaterthiophene is produced and handled under strict quality management 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 GC-MS to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specification results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to prevent oxidation and degradation. Keep the container in a cool, dry, and well-ventilated place away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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