Description

4,4''(5'')-Dilauroyldibenzo-24-Crown-8 is a lipophilic, functionalized crown ether derivative, specifically designed for selective molecular recognition and phase-transfer applications. Its unique structure, featuring lauroyl ester side chains, provides enhanced solubility in organic media while retaining the strong cation-binding affinity characteristic of crown ethers. This compound is essential for researchers and process chemists in advanced material science, analytical chemistry, and specialized organic synthesis. It serves as a key component for constructing supramolecular assemblies, facilitating ion transport, and acting as a selective extractant or catalyst.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between ionic reagents and organic substrates in biphasic systems, improving reaction rates and yields.
• Ion-Selective Electrodes & Sensors: Used as an ionophore in polymeric membranes for the potentiometric detection of specific alkali and alkaline earth metal cations.
• Liquid-Liquid Extraction: Acts as a selective extractant for the separation and purification of metal ions from aqueous solutions into organic phases.
• Supramolecular Chemistry: Serves as a building block for rotaxanes, catenanes, and other mechanically interlocked molecules due to its large cavity and binding properties.
• Polymer Modification: Incorporated into polymer backbones to create ion-conductive or cation-selective materials for membranes and coatings.
• Analytical Chemistry: Employed as a chiral selector or complexing agent in chromatographic separations (HPLC, CE) and spectroscopic analysis.
• Organic Synthesis: Enhances the solubility and reactivity of inorganic salts in non-polar solvents for specialized synthetic protocols.

Basic Information

Product Name	4,4''(5'')-Dilauroyldibenzo-24-Crown-8
CAS No.	74966-19-1
Molecular Formula	C52H84O10
Molecular Weight	869.22 g/mol
Synonyms	Dibenzo-24-crown-8 dilaurate; 4',5'-Dilauroyl-dibenzo-24-crown-8; Dilauroyl dibenzo-24-crown-8; 4(5)-Dilauroyldibenzo-24-crown-8; 24-Crown-8 dilaurate derivative; Lipophilic dibenzo-24-crown-8 ether; 4,4''(5'')-Bis(dodecanoyl)dibenzo-24-crown-8
EINECS	Contact for details

Quality Control

Our 4,4''(5'')-Dilauroyldibenzo-24-Crown-8 is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and NMR for structural confirmation, to ensure consistency and reliability for research and industrial applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key specifications such as assay, identity, and impurity profile.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound is stable under inert atmosphere but should be kept away from strong oxidizing agents. For long-term storage, consider storing under an inert gas such as argon or nitrogen to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	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.