Description

2-Ethynyl-5-Hexylthiophene is a specialized organic building block featuring a thiophene core functionalized with both a hexyl chain and an ethynyl group. This unique molecular architecture makes it a critical intermediate for synthesizing advanced conjugated polymers and small molecules. It is primarily sought after by researchers and manufacturers in the fields of organic electronics and materials science for developing next-generation optoelectronic devices.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing donor-acceptor polymers used in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• OLED Materials Development: Serves as a precursor for emissive or charge-transporting materials in organic light-emitting diodes (OLEDs) for displays and lighting.
• Conjugated Polymer Research: Used in academic and industrial R&D to tune the HOMO/LUMO energy levels, bandgap, and solubility of novel polymeric materials.
• Chemical Sensors: Employed in the fabrication of conductive polymer-based sensors due to its ability to modify electronic properties upon interaction with analytes.
• Electrochromic Devices: A building block for polymers that change color in response to an applied voltage, useful for smart windows and displays.

Basic Information

Product Name	2-Ethynyl-5-Hexylthiophene
CAS No.	710338-92-4
Molecular Formula	C₁₂H₁₆S
Molecular Weight	192.32 g/mol
Synonyms	5-Hexyl-2-ethynylthiophene; 2-Ethynyl-5-hexyl-thiophene; Thiophene, 2-ethynyl-5-hexyl-; 2-Ethynyl-5-n-hexylthiophene; 5-Hexylthiophene-2-ethyne
EINECS	Contact for details

Quality Control

Every batch of 2-Ethynyl-5-Hexylthiophene is produced and analyzed under strict quality management protocols to ensure consistency and high purity for sensitive electronic applications. Our products undergo rigorous quality testing, including chromatographic and spectroscopic analysis, to ensure compliance with exacting R&D and production standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at room temperature (15-25°C). Due to its sensitivity to light and oxidation, prolonged exposure to air or light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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