Description

4,4(5)-Di(1-Hydroxynonyl)Dibenzo-18-Crown-6 is a functionalized crown ether derivative, specifically a lipophilic dibenzo-18-crown-6 ether with long-chain hydroxynonyl substituents. This molecular design is critical for its role as a highly selective phase-transfer catalyst and complexing agent for alkali and alkaline earth metal cations in non-polar media. It is essential for researchers and manufacturers in advanced organic synthesis, materials science, and separation technologies who require precise control over ionic reactivity and transport. The compound, identified by CAS No. 74966-05-5, offers a unique combination of host-guest chemistry and solubility properties for specialized applications.

Application

• Phase-Transfer Catalysis (PTC): Facilitates reactions between ionic reagents and organic substrates in biphasic systems, enhancing reaction rates and yields for alkylations, oxidations, and polymerizations.
• Ion-Selective Electrodes & Sensors: Serves as a key ionophore in the membrane of potentiometric sensors for the selective detection of potassium, ammonium, or cesium ions.
• Metal Ion Extraction & Separation: Used in liquid-liquid extraction processes for the selective recovery, purification, or removal of specific metal cations from complex mixtures.
• Polymer & Materials Modification: Incorporated into polymer matrices to create ion-conductive membranes or to modify surface properties for specific adsorption characteristics.
• Supramolecular Chemistry & Host-Guest Systems: Acts as a building block for constructing more complex molecular assemblies, capsules, or switches due to its pre-organized cavity and functional handles.
• Analytical Chemistry: Employed as a chiral selector or mobile phase additive in chromatography for the separation of enantiomers or ionic species.
• Fundamental Research: A valuable tool for studying cation binding kinetics, thermodynamics, and transport mechanisms in model systems.

Basic Information

Product Name	4,4(5)-Di(1-Hydroxynonyl)Dibenzo-18-Crown-6
CAS No.	74966-05-5
Molecular Formula	C38H60O8
Molecular Weight	644.88 g/mol
Synonyms	4,4(5)-Di(1-hydroxynonyl)dibenzo-18-crown-6; 4,5-Bis(1-hydroxynonyl)dibenzo-18-crown-6; Dibenzo-18-crown-6, 4,4(5)-bis(1-hydroxynonyl)-; 4,4(5)-Di(1-Hydroxynonyl)-Dibenzo-18-Crown-6-Ether; Lipophilic Dibenzo-18-Crown-6 Derivative; Hydroxynonyl-Substituted Crown Ether; 18-Crown-6 Ether Derivative; 4,4(5)-Bis(hydroxynonyl)dibenzo-18-crown-6
EINECS	Contact for details

Quality Control

Our 4,4(5)-Di(1-Hydroxynonyl)Dibenzo-18-Crown-6 is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with key parameters including assay (HPLC), identification (IR, NMR), and impurity profile. While produced to high-purity laboratory and technical grades, specifications can be aligned with specific research or process requirements upon request.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (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.