Description

4'-Ethynylbenzo-15-Crown-5 is a functionalized crown ether derivative, specifically engineered with an ethynyl group for advanced molecular recognition and binding applications. This compound is valued for its ability to selectively complex with specific cations, making it a critical component in the development of sophisticated chemical sensors and separation technologies. It is primarily utilized by researchers and manufacturers in the fields of supramolecular chemistry, analytical chemistry, and materials science for creating ion-selective electrodes, catalysts, and novel polymeric materials.

Application

• Ion-Selective Electrodes (ISEs) and Sensors: Acts as a key ionophore for the selective detection and quantification of alkali and alkaline earth metal ions in analytical systems.
• Supramolecular Chemistry Research: Serves as a versatile building block for constructing molecular machines, switches, and host-guest complexes due to its ethynyl functional handle.
• Phase Transfer Catalysis: Facilitates the transfer of ionic reagents between immiscible phases in synthetic organic chemistry, enhancing reaction rates and yields.
• Polymer Modification: Used to incorporate crown ether functionalities into polymer backbones, creating materials with specific ion-binding properties for filtration or sensing membranes.
• Chemical Separation: Employed in liquid-liquid extraction processes or chromatographic stationary phases for the selective separation of metal ions.
• Academic and Pharmaceutical R&D: Utilized in fundamental studies of cation binding kinetics and in developing drug delivery systems that respond to specific ionic triggers.

Basic Information

Item	Detail
Product Name	4'-Ethynylbenzo-15-Crown-5
CAS No.	92710-94-6
Molecular Formula	C17H22O5
Molecular Weight	306.35 g/mol
Synonyms	1-(2,5,8,11,14-Pentaoxabicyclo[13.4.0]nonadeca-1(15),16,18-trien-16-yl)ethyne; 4-Ethynylbenzo-15-crown-5; Benzo-15-crown-5-ethyne; 16-Ethynyl-2,5,8,11,14-pentaoxabicyclo[13.4.0]nonadeca-1(15),16,18-triene; 4-Ethynylbenzo-15-crown-5 ether; 4'-Ethynyl-1,4,7,10,13-pentaoxacyclopentadec-2-ene
EINECS	Contact for details

Quality Control

Every batch of 4'-Ethynylbenzo-15-Crown-5 undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality assurance protocols are designed to meet the exacting standards of research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity (typically by HPLC or NMR), physical characteristics, and spectroscopic identification is provided with each shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.