Description

3-Octyl-5'-(3-Octylthiophen-2-Yl)-2,2'-Bithiophene is a high-purity, functionalized oligothiophene derivative, a key building block in advanced organic electronic materials. Its 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 OLED (Organic Light-Emitting Diode) industries, where material purity and batch-to-batch consistency are critical for device performance.

Application

• Organic Field-Effect Transistors (OFETs): As a core semiconductor material for high-mobility p-type channels.
• Organic Photovoltaics (OPV / Solar Cells): Used as an electron donor or acceptor material in bulk heterojunction active layers.
• OLED Displays and Lighting: Serves as a hole-transporting layer (HTL) or host material in emissive layers.
• Chemical Sensors: Utilized in the fabrication of sensitive, selective layers for detecting gases or vapors.
• Conductive Polymers and Composites: A monomer or dopant for creating polymers with enhanced electrical conductivity.
• Academic and Industrial R&D: A crucial intermediate for synthesizing novel conjugated polymers and small molecules for electronic applications.

Basic Information

Product Name	3-Octyl-5'-(3-Octylthiophen-2-Yl)-2,2'-Bithiophene
CAS No.	155166-89-5
Molecular Formula	C₃₀H₄₂S₄
Molecular Weight	531.88 g/mol
Synonyms	5'-(3-Octyl-2-thienyl)-3-octyl-2,2'-bithiophene; 3,3'''-Dioctyl-2,2':5',2''-terthiophene; Dioctylterthiophene; 3-Octyl-5'-(3-octylthiophen-2-yl)-2,2'-bithiophene; α,ω-Dioctylterthiophene; 3,3'''-Dioctylterthiophene; 3,3'''-Di-n-octyl-2,2':5',2''-terthiophene; EC 1.2.3.4 (Example placeholder - Contact for details)
EINECS	Contact for details

Quality Control

Every batch of our 3-Octyl-5'-(3-Octylthiophen-2-Yl)-2,2'-Bithiophene is synthesized and purified under controlled conditions to meet the stringent requirements of electronic-grade materials. We employ advanced analytical techniques including HPLC, GC-MS, NMR, and elemental analysis to verify identity, purity, and the absence of critical metallic impurities. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to ensure full traceability and support your quality assurance protocols.

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 compound is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Electronic Grade)
Melting Point	Contact for details
Heavy Metals (as Pb)	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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