Description

4',4''(5'')-Divaleryldibenzo-18-Crown-6 is a lipophilic, substituted crown ether derivative, specifically a valeryl-functionalized dibenzo-18-crown-6. This compound matters for its exceptional ability to selectively complex with specific alkali and alkaline earth metal cations, making it a powerful and versatile phase-transfer catalyst and ionophore. It is primarily needed by researchers and manufacturers in the chemical synthesis, materials science, and analytical chemistry sectors for applications requiring selective ion binding or transport.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly useful in organic synthesis for nucleophilic substitutions and polymerizations.
• Ion-Selective Electrodes (ISEs): Serves as a critical ionophore in membrane formulations for detecting potassium (K⁺) and other cations with high selectivity.
• Chemical Sensors & Probes: Used in the development of optical and electrochemical sensors for metal ion detection in environmental and biological samples.
• Metal Ion Extraction & Separation: Employed in liquid-liquid extraction processes for the selective recovery, purification, or removal of specific metal ions from complex mixtures.
• Polymer & Materials Modification: Incorporated into polymers to create ion-selective membranes for separation technologies or to impart specific ion-binding properties.
• Supramolecular Chemistry Research: A key building block for constructing more complex host-guest systems and molecular machines.
• Analytical Chemistry: Used as a mobile phase additive in chromatography or as a complexing agent in spectroscopic analysis to enhance selectivity.

Basic Information

Item	Detail
Product Name	4',4''(5'')-Divaleryldibenzo-18-Crown-6
CAS No.	74966-25-9
Molecular Formula	C34H50O6
Molecular Weight	554.76 g/mol
Synonyms	Divaleryldibenzo-18-crown-6; 4',4''(5'')-Di-n-pentanoyldibenzo-18-crown-6; Dibenzo-18-crown-6, 4',4''(5'')-dipentanoyl-; 4',4''(5'')-Dipentanoyldibenzo-18-crown-6; 18-Crown-6, dibenzo-, 4',4''(5'')-dipentanoyl derivative; Lipophilic dibenzo-18-crown-6 ether; Valeryl-substituted crown ether
EINECS	Contact for details

Quality Control

Our 4',4''(5'')-Divaleryldibenzo-18-Crown-6 is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure consistency and compliance with specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). Keep away from strong oxidizing agents.

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.