Description

Dibenzo-15-Crown-5 is a specific macrocyclic polyether, also known as a crown ether, with the CAS registry number 14262-60-3. This compound is a critical tool in supramolecular chemistry, valued for its ability to selectively bind and transport alkali metal cations, particularly sodium ions. It is essential for researchers and process engineers in the fields of chemical synthesis, materials science, and analytical chemistry who require precise phase-transfer catalysis or ion separation.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in organic synthesis.
• Ion-Selective Electrodes & Sensors: Serves as an ionophore in the membrane of electrodes for the selective detection and measurement of sodium ions.
• Metal Ion Extraction & Separation: Used in liquid-liquid extraction processes to selectively separate and purify specific alkali metals from complex mixtures.
• Chemical Research & Development: A fundamental reagent for studying host-guest chemistry, molecular recognition, and the development of new supramolecular assemblies.
• Polymer Modification: Can be incorporated into polymer matrices to create ion-conductive materials or membranes with specific transport properties.
• Analytical Chemistry: Employed as a mobile phase additive in chromatography to improve separation of ionic species.

Basic Information

Product Name	Dibenzo-15-Crown-5
CAS No.	14262-60-3
Molecular Formula	C18H22O5
Molecular Weight	318.36 g/mol
Synonyms	2,3,5,6,8,9,11,12-Octahydro-1,4,7,10,13-benzopentaoxacyclopentadecine; 1,4,7,10,13-Pentaoxacyclopentadeca-2,3,11,12-tetrabenzene; 15-Crown-5, dibenzo derivative; DB15C5; 2,3-Benzo-1,4,7,10,13-pentaoxacyclopentadeca-2-ene
EINECS	238-154-1

Quality Control

Our Dibenzo-15-Crown-5 is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and industrial applications. A 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, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	74 - 78 °C
Loss on Drying	≤ 0.5 %

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