Description

3-n-Undecylthiophene is a high-purity, synthetic organic compound belonging to the class of alkyl-substituted thiophenes. This specialty chemical serves as a crucial building block (monomer) and functional intermediate in advanced material science and fine chemical synthesis. It is primarily utilized by R&D and manufacturing sectors focused on conductive polymers, organic semiconductors, and liquid crystal formulations.

Application

• Monomer for Conductive Polymers: A key precursor in the synthesis of poly(3-alkylthiophenes) (P3ATs), which are fundamental to organic electronic devices.
• Organic Semiconductor Development: Used in the fabrication of organic field-effect transistors (OFETs), organic photovoltaics (OPVs), and light-emitting diodes (OLEDs).
• Liquid Crystal Chemistry: Acts as a core or side-chain component in the design of novel liquid crystalline materials for displays and optical devices.
• Chemical Synthesis Intermediate: Employed in organic synthesis for the introduction of the undecylthiophene moiety into more complex molecular architectures.
• Material Science Research: Serves as a standard or reagent in academic and industrial research on structure-property relationships in π-conjugated systems.
• Surface Modification & Self-Assembled Monolayers (SAMs): The long alkyl chain facilitates its use in creating ordered molecular films on surfaces for sensor and nanotechnology applications.

Basic Information

Product Name	3-n-Undecylthiophene
CAS No.	129607-86-9
Molecular Formula	C15H26S
Molecular Weight	238.43 g/mol
Synonyms	3-Undecylthiophene; 3-n-Undecylthiophene; Thiophene, 3-undecyl-; 3-(Undecyl)thiophene; 3-n-C11H23-Thiophene; 3-Hendecanylthiophene; 3-Pentylhexylthiophene (structural); Poly(3-undecylthiophene) monomer
EINECS	Contact for details

Quality Control

Our 3-n-Undecylthiophene is produced under stringent conditions to ensure batch-to-batch consistency and high chemical purity, critical for electronic-grade applications. Each lot undergoes comprehensive analytical characterization, including HPLC, GC, NMR, and elemental analysis. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Typical 98-99%)
Water Content (KF)	≤ 0.1%

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