Description

4,4(5)-Diheptyldibenzo-18-Crown-6 is a lipophilic, synthetic crown ether compound, specifically a derivative of dibenzo-18-crown-6. This compound is valued for its exceptional ability to selectively complex with alkali metal cations, particularly potassium ions, in organic and aqueous-organic media. It serves as a critical complexing agent and phase-transfer catalyst in advanced chemical synthesis, analytical chemistry, and materials science research. Industrial and research chemists utilize this crown ether to enhance reaction rates, improve selectivity, and facilitate ion transport across phase boundaries.

Application

• Phase-Transfer Catalysis (PTC): Facilitates reactions between reagents in immiscible phases, crucial for nucleophilic substitutions, oxidations, and polymerizations.
• Ion-Selective Electrodes (ISEs): Acts as a key ionophore in the membrane of sensors for detecting potassium and other cations in analytical and clinical settings.
• Metal Ion Extraction & Separation: Used in solvent extraction processes for the selective recovery, purification, or removal of specific metal ions from complex mixtures.
• Chemical Synthesis: Enhances solubility and reactivity of alkali metal salts in non-polar organic solvents, enabling novel synthetic pathways.
• Materials Science: Incorporated into polymers and membranes to create ion-conductive materials or selective filtration systems.
• Analytical Chemistry: Serves as a chiral selector or complexing agent in chromatographic separations and capillary electrophoresis.
• Fundamental Research: A model compound for studying host-guest chemistry, supramolecular assembly, and cation-pi interactions.

Basic Information

Item	Detail
Product Name	4,4(5)-Diheptyldibenzo-18-Crown-6
CAS No.	74966-11-3
Molecular Formula	C34H52O6
Molecular Weight	556.78 g/mol
Synonyms	Diheptyldibenzo-18-crown-6; 4,5-Diheptyldibenzo-18-crown-6; Dibenzo-18-crown-6, 4,4'-diheptyl-; 4,4'-Diheptyldibenzo-18-crown-6; 18-Crown-6, 4,4'-diheptyl-dibenzo-; Lipophilic dibenzo-18-crown-6 ether; Potassium ionophore III; Heptyl-DB18C6
EINECS	Contact for details

Quality Control

Our 4,4(5)-Diheptyldibenzo-18-Crown-6 is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and melting point determination. We provide a detailed Certificate of Analysis (COA) with every shipment to ensure traceability and compliance with your research or production specifications.

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. For long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended to maintain optimal stability.

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%
Heavy Metals	≤ 20 ppm

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