Description

4,4(5)-Dioctadecanoyldibenzo-18-Crown-6 is a lipophilic, functionalized crown ether derivative designed for selective molecular recognition and phase-transfer applications. This compound matters for its enhanced ability to complex with specific cations, particularly potassium and ammonium ions, in non-aqueous or biphasic systems, enabling precise separation and catalytic processes. It is needed by researchers and process chemists in the fields of chemical synthesis, analytical chemistry, and materials science, where tailored ionophores are critical for developing sensors, extraction protocols, and advanced separation membranes.

Application

• Ion-Selective Electrodes (ISEs) and Sensors: As a key ionophore in polymeric membrane electrodes for the potentiometric detection of potassium and ammonium ions.
• Liquid-Liquid Extraction: For the selective separation and pre-concentration of metal cations from complex mixtures in analytical or hydrometallurgical processes.
• Phase-Transfer Catalysis (PTC): To facilitate reactions between reagents in immiscible solvents by transporting ionic species into organic phases.
• Membrane Technology: Incorporated into supported liquid membranes (SLMs) or polymer films for selective ion transport and separation.
• Chemical Synthesis: As a complexing agent to modify reactivity, solubility, or stereoselectivity in organic synthesis.
• Analytical Chemistry Reagent: Used in chromatographic separations or as a masking agent in complexometric titrations.
• Materials Research: As a building block or functional additive in the development of supramolecular assemblies and smart materials.

Basic Information

Product Name	4,4(5)-Dioctadecanoyldibenzo-18-Crown-6
CAS No.	74966-16-8
Molecular Formula	C58H96O8
Molecular Weight	921.37 g/mol
Synonyms	Dibenzo-18-crown-6, 4,4'(5')-Bis(octadecanoyl) derivative; 4',5'-Bis(octadecanoyl)dibenzo-18-crown-6; Stearoyldibenzo-18-crown-6; Lipophilic Dibenzo-18-Crown-6 Ether; 4(5)-Monooctadecanoyldibenzo-18-crown-6 (related isomer); DB18C6-C18 derivative; Ionophore VI (K+ selective); Potassium ionophore II
EINECS	Contact for details

Quality Control

Our 4,4(5)-Dioctadecanoyldibenzo-18-Crown-6 is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR for structural confirmation, and elemental analysis, to ensure compliance with precise specifications. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability. For long-term storage, consider an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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