Description

Calix[4]-Bis-2,3-Naphtho-Crown-6 is a sophisticated supramolecular host compound, specifically a calixarene-crown ether hybrid. This engineered molecule is valued for its high selectivity and strong binding affinity towards specific metal ions and organic cations, making it a critical component in advanced separation and sensing technologies. It is primarily utilized by researchers and manufacturers in the fields of chemical sensing, ion-selective electrodes, membrane transport systems, and radiochemical separation, particularly for cesium and other alkali metal ions.

Application

• Ion-Selective Electrodes (ISEs): As a key ionophore in membrane formulations for the potentiometric detection of cesium and potassium ions.
• Chemical Sensors & Probes: Development of fluorescent or colorimetric sensors for the detection of specific metal cations in analytical and environmental monitoring.
• Liquid-Liquid Extraction: Selective separation and pre-concentration of target ions, such as Cs-137, from complex mixtures in nuclear waste treatment.
• Membrane Transport Facilitators: Incorporation into supported liquid membranes (SLMs) or polymer inclusion membranes (PIMs) for facilitated ion transport.
• Supramolecular Chemistry Research: As a building block for constructing more complex host-guest systems, molecular machines, or self-assembled structures.
• Pharmaceutical & Bioanalytical Chemistry: Potential use in binding and sequestering biologically relevant ammonium ions or as a component in drug delivery systems.

Basic Information

Item	Detail
Product Name	Calix[4]-Bis-2,3-Naphtho-Crown-6
CAS No.	162898-44-4
Molecular Formula	C64H56O8
Molecular Weight	953.13 g/mol
Synonyms	Calix[4]arene-bis(2,3-naphtho-crown-6); 1,3-Alternate-25,27-Bis(2,3-naphtho-1,4,7,10,13,16-hexaoxacyclooctadec-2-ylmethoxy)-26,28-dihydroxycalix[4]arene; 25,27-Bis[(2,3-naphthylene)-1,4,7,10,13,16-hexaoxacyclooctadec-2-ylmethoxy]-26,28-dihydroxycalix[4]arene; Naphtho-crowned calix[4]arene; Calixcrown; Cs-Selective Calixcrown Ionophore
EINECS	Contact for details

Quality Control

Our Calix[4]-Bis-2,3-Naphtho-Crown-6 is produced under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for research and sensitive applications. Each lot is characterized by NMR, HPLC, and elemental analysis to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 inert atmosphere when appropriate for long-term stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0 %
Elemental Analysis (C, H)	Within theoretical ± 0.4%

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