Description

2-Phenyl-5-Ethylnylthiophene is a high-purity organic compound, specifically a substituted thiophene derivative, that serves as a critical building block in advanced material synthesis. Its unique conjugated structure, featuring both phenyl and ethynyl groups, makes it an essential precursor for creating specialized polymers and functional organic molecules. This compound is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and organic electronics sectors for developing novel active ingredients and conductive materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the creation of advanced pesticides and herbicides, where the thiophene core contributes to biological activity.
• Organic Semiconductor Material: Serves as a fundamental monomer or dopant in the production of organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and photovoltaic cells.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create novel ligands for catalysis in cross-coupling and other synthetic transformations.
• Fluorescent Dye and Sensor Precursor: Utilized in the synthesis of fluorophores and molecular probes for bio-imaging and diagnostic applications.
• Polymer and Advanced Material Science: Acts as a building block for conjugated polymers with tailored electronic and optical properties.

Basic Information

Product Name	2-Phenyl-5-Ethylnylthiophene
CAS No.	1665-35-6
Molecular Formula	C12H8S
Molecular Weight	184.26 g/mol
Synonyms	5-Ethynyl-2-phenylthiophene; 2-(Phenyl)-5-ethynylthiophene; 2-Phenyl-5-ethynylthiophene; Thiophene, 2-phenyl-5-ethynyl-; 5-Ethynyl-2-phenylthiophene; 2-Phenyl-5-(ethynyl)thiophene
EINECS	Contact for details

Quality Control

Our 2-Phenyl-5-Ethylnylthiophene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive R&D and scale-up processes. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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 area at room temperature (15-25°C). This material is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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