Description

3,3'''-Dioctyl-2,2':5',5'':2'',2'''-Quaterthiophene CAS NO 153938-82-0 is a high-purity, functionalized oligothiophene derivative, a critical building block in advanced organic electronic materials. Its core value lies in its precisely engineered molecular structure, which provides excellent charge transport properties and tunable optoelectronic characteristics. This compound is essential for R&D and production in the organic semiconductor, photovoltaics, and display technology sectors, where material purity and batch-to-batch consistency are paramount for device performance and yield.

Application

• Organic Field-Effect Transistors (OFETs): As a high-performance p-type semiconductor material for developing flexible and printed electronics.
• Organic Photovoltaics (OPVs / Solar Cells): Used as an electron donor or in the active layer of bulk heterojunction solar cells to enhance light absorption and charge separation.
• Organic Light-Emitting Diodes (OLEDs): Serves as a hole-transport layer (HTL) or host material in display and lighting applications.
• Chemical Sensors: Utilized in the fabrication of sensitive and selective chemiresistive or fluorescent sensors for detecting vapors and analytes.
• Academic & Industrial R&D: A key intermediate for synthesizing more complex conjugated polymers and small molecules for exploratory material science.
• Organic Thin-Film Transistors (OTFTs): For creating high-mobility semiconductor layers in next-generation display backplanes and logic circuits.

Basic Information

Product Name	3,3'''-Dioctyl-2,2':5',5'':2'',2'''-Quaterthiophene
CAS No.	153938-82-0
Molecular Formula	C40H50S4
Molecular Weight	683.09 g/mol
Synonyms	Dioctylquaterthiophene; 5,5'''-Dioctyl-2,2':5',2'':5'',2'''-quaterthiophene; α,ω-Di-n-octyl-quaterthiophene; DOT4T; 3,3'''-Di-n-octyl-2,2':5',2'':5'',2'''-quaterthiophene; C8-4T-C8; 4T(C8)2
EINECS	Contact for details

Quality Control

Our 3,3'''-Dioctyl-2,2':5',5'':2'',2'''-Quaterthiophene is manufactured under strict quality management systems to ensure the high purity and consistency required for sensitive electronic applications. Every batch undergoes comprehensive analytical characterization, including HPLC, NMR, and elemental analysis. A detailed Certificate of Analysis (COA) is provided, confirming identity, purity, and impurity profiles to meet your specific R&D or production specifications.

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) in a cool, dry, and well-ventilated place. This material is light-sensitive and easily oxidized; prolonged exposure to air and light must be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
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.