Description

4-Vinylbenzo-15-Crown-5 is a specialized vinyl-functionalized crown ether derivative, serving as a critical building block in supramolecular and polymer chemistry. Its core value lies in its ability to selectively bind alkali metal cations, particularly potassium, while providing a reactive vinyl group for polymerization or surface grafting. This unique bifunctionality makes it essential for researchers and manufacturers developing advanced materials such as ion-selective membranes, sensors, and functional polymers. Industries involved in separation technology, analytical chemistry, and smart material synthesis are the primary users of this high-value intermediate.

Application

• Ion-Selective Membranes & Sensors: Key monomer for synthesizing polymeric membranes used in ion-selective electrodes (ISEs) and potentiometric sensors for potassium ion detection.
• Molecular Imprinted Polymers (MIPs): Serves as a functional co-monomer to create selective recognition sites for alkali metal ions in MIPs for solid-phase extraction and sensing applications.
• Surface Modification & Coatings: The vinyl group allows for covalent attachment to surfaces (e.g., silica, gold, polymers) to create cation-selective interfaces for chromatography or catalysis.
• Supramolecular Assemblies: Used as a building block for constructing complex host-guest systems, rotaxanes, and other mechanically interlocked molecules.
• Phase Transfer Catalysis: Acts as a polymer-bound or immobilized phase transfer catalyst precursor for reactions involving alkali metal salts in biphasic systems.
• Advanced Polymer Synthesis: Incorporated into copolymers (e.g., via free-radical or RAFT polymerization) to impart ion-binding properties to the resulting materials.

Basic Information

Product Name	4-Vinylbenzo-15-Crown-5
CAS No.	39557-70-5
Molecular Formula	C18H26O5
Molecular Weight	322.40 g/mol
Synonyms	1,4,7,10,13-Pentaoxacyclopentadec-2-ylmethylstyrene; 4-Vinylbenzo-15-crown-5 ether; 15-Crown-5 vinylbenzyl ether; 4-Vinylbenzyl-1,4,7,10,13-pentaoxacyclopentadecane; Benzo-15-crown-5 vinyl derivative; 4-Ethenylbenzo-15-crown-5; Vinylbenzo-15-crown-5; VBC15C5
EINECS	Contact for details

Quality Control

Our 4-Vinylbenzo-15-Crown-5 is produced under strict quality management protocols. Each batch is characterized and tested to ensure high purity and consistency, critical for research and advanced material synthesis. Certificates of Analysis (COA) are provided, detailing results from NMR, HPLC, and other analytical techniques. We support compliance with relevant research and development standards, and specifications can be tailored to meet specific project requirements.

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 compound is light-sensitive (store away from light) and should be kept under an inert atmosphere for long-term storage to prevent potential oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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