Description

1-Ethyl-2-Ethynyl-Benzene is a specialized aromatic alkyne derivative, serving as a versatile and high-value building block in advanced organic synthesis. Its unique structure, featuring both an ethyl and an ethynyl substituent on the benzene ring, makes it a critical intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for creating complex heterocyclic frameworks and targeted molecular scaffolds.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides, where its aromatic-alkyne structure contributes to specific biological activity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers, conductive materials, and liquid crystals.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a building block for electron-transport or emissive layer materials in advanced display technologies.
• Ligand Synthesis in Catalysis: Utilized for preparing sophisticated ligands used in transition metal catalysis for asymmetric synthesis.
• Academic & Industrial R&D: A valuable reagent for methodological studies in synthetic organic chemistry, including cycloaddition and coupling reactions.

Basic Information

Product Name	1-Ethyl-2-Ethynyl-Benzene
CAS No.	75659-49-3
Molecular Formula	C10H10
Molecular Weight	130.19 g/mol
Synonyms	2-Ethynylethylbenzene; o-Ethylethynylbenzene; 1-Ethyl-2-ethynylbenzene; 2-Ethylphenylacetylene; (2-Ethylphenyl)ethyne; Ethyl(ethynyl)benzene; Benzene, 1-ethyl-2-ethynyl-
EINECS	Contact for details

Quality Control

Our 1-Ethyl-2-Ethynyl-Benzene is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, documenting identity, purity, and impurity profiles. Our quality system is designed to meet the exacting standards required for research and scale-up applications.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place, ideally at 2-8°C or under refrigerated conditions as specified. Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to prevent potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.