Description

Dibenzo-27-Crown-9 is a specialized macrocyclic polyether compound, also known as a crown ether, with the CAS registry number 61260-08-0. This product is valued for its exceptional ability to selectively bind alkali metal cations, particularly potassium ions, making it a critical tool in chemical synthesis and separation science. It is primarily needed by researchers and manufacturers in the fields of organic chemistry, catalysis, materials science, and analytical chemistry for applications ranging from phase-transfer catalysis to the development of ion-selective sensors and membranes.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in organic synthesis.
• Ionophore for Sensors: Serves as a key component in ion-selective electrodes (ISEs) and optical sensors for the detection and quantification of potassium ions.
• Metal Ion Separation & Extraction: Used in liquid-liquid extraction processes to selectively separate and purify specific alkali metal cations from complex mixtures.
• Supramolecular Chemistry Building Block: Employed in the construction of host-guest complexes, molecular machines, and advanced functional materials.
• Polymer Modification: Incorporated into polymer matrices to create ion-conducting membranes or to impart specific metal-binding properties.
• Analytical Chemistry Reagent: Acts as a masking or complexing agent to improve the selectivity of various analytical techniques.
• Fundamental Chemical Research: Used in academic and industrial R&D to study cation-macrocycle interactions and reaction mechanisms.

Basic Information

Product Name	Dibenzo-27-Crown-9
CAS No.	61260-08-0
Molecular Formula	C20H24O9
Molecular Weight	408.40 g/mol
Synonyms	2,5,8,15,18,21-Hexaoxatricyclo[20.4.0.09,14]hexacosa-1(22),9,11,13,23,25-hexaene; DB27C9; 27-Crown-9, dibenzo-; 1,2-Bis[2-(o-hydroxyphenoxy)ethoxy]benzene cyclic diether; 4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane, dibenzo derivative (common misnomer); Benzo-27-crown-9; Dibenzo-27-crown-9 ether
EINECS	Contact for details

Quality Control

Our Dibenzo-27-Crown-9 is produced and controlled under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and elemental analysis, to ensure it meets the high standards required for research and industrial applications. 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, and well-ventilated area at room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); keep the container tightly sealed in a desiccated environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
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.