Description

Di-(2,3-Naphtho)-18-Crown-6 is a sophisticated, naphthalene-functionalized crown ether derivative, specifically engineered as a highly selective host molecule for complexing metal cations and organic ammonium ions. Its core value lies in its enhanced binding affinity and selectivity compared to simpler crown ethers, making it a critical tool in molecular recognition, separation science, and catalysis. This compound is essential for researchers and process engineers in the fields of supramolecular chemistry, sensor development, and advanced material synthesis, where precise molecular interaction is paramount.

Application

• Selective Ion Transport & Separation: As a key component in liquid membranes for the selective extraction and separation of specific alkali and alkaline earth metal ions (e.g., K+, Sr2+) from complex mixtures.
• Chemical Sensor Development: Used as an ionophore in the fabrication of ion-selective electrodes (ISEs) and optical chemosensors for detecting target cations in analytical and environmental monitoring.
• Phase-Transfer Catalysis (PTC): Facilitates reactions between reagents in immiscible phases by complexing and transferring cations into organic phases, enhancing reaction rates and yields.
• Supramolecular Assembly & Host-Guest Chemistry: Serves as a fundamental building block for constructing complex molecular architectures, catenanes, rotaxanes, and functional materials.
• Analytical Chemistry Reagent: Employed in chromatographic separations and as a shift reagent in NMR spectroscopy to study ion binding and molecular interactions.
• Pharmaceutical & Biochemical Research: Investigated for its ability to complex biologically relevant ammonium ions and amines, with potential applications in drug delivery and enzyme mimicry.

Basic Information

Product Name	Di-(2,3-Naphtho)-18-Crown-6
CAS No.	14098-27-2
Molecular Formula	C36H40O6
Molecular Weight	568.70 g/mol
Synonyms	2,3-Naphtho-18-crown-6; 2,3-Naphtho-1,4,7,10,13,16-hexaoxacyclooctadeca-2,3-diene; 18-Crown-6, 2,3-naphtho-; 4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane, 2,3-naphtho derivative; Dibenzo-18-crown-6, naphtho-substituted; Naphthocrown ether; 1,4,7,10,13,16-Hexaoxacyclooctadecane, 2,3-naphtho-
EINECS	Contact for details

Quality Control

Our Di-(2,3-Naphtho)-18-Crown-6 is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and industrial applications. Each lot undergoes comprehensive analytical characterization, including HPLC for purity assessment, NMR for structural confirmation, and elemental analysis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere when appropriate to prevent potential degradation.

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.