Description

2,4!-Dibenzo-18-Crown-6, 99+% is a high-purity, synthetic macrocyclic polyether belonging to the crown ether family, known for its exceptional ability to selectively complex with specific cations. This compound matters for its role as a powerful phase-transfer catalyst and a selective complexing agent, enabling critical separations and reactions in advanced chemical synthesis. It is primarily needed by researchers and manufacturers in the pharmaceutical, fine chemical, and materials science industries for applications requiring precise molecular recognition and ion transport.

Application

• Phase-Transfer Catalysis (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in organic synthesis.
• Cation Selective Complexation: Used in ion-selective electrodes and sensors for the detection and quantification of specific metal ions like potassium.
• Chemical Separation & Purification: Employed in liquid-liquid extraction and chromatography to separate mixtures of metal ions or chiral compounds.
• Supramolecular Chemistry & Host-Guest Systems: Serves as a fundamental building block for constructing molecular machines, switches, and advanced functional materials.
• Polymer & Materials Science: Incorporated into polymer matrices to create ion-conductive films or membranes for battery and sensor applications.
• Analytical Chemistry: Acts as a masking agent or a component in mobile phases for improved analytical separations.

Basic Information

Product Name	2,4!-Dibenzo-18-Crown-6, 99+%
CAS No.	14262-61-4
Molecular Formula	C₂₀H₂₄O₆
Molecular Weight	360.40 g/mol
Synonyms	2,4-Dibenzo-18-crown-6; 2,4-Dibenzo-18-crown-6 ether; 18-Crown-6, 2,4-dibenzo-; 4,13-Dibenzo-1,7,10,16-tetraoxacyclooctadeca-4,13-diene; Dibenzo-18-crown-6; DB18C6; 1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane-7,16-diyldibenzene (alternative representation); Benzo-18-crown-6 benzo derivative
EINECS	Contact for details

Quality Control

Our 2,4!-Dibenzo-18-Crown-6 is produced under stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity verification and spectroscopic methods for structural confirmation, to ensure it meets the 99+% purity specification. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory needs.

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
Assay (HPLC)	≥ 99.0%
Melting Point	164 - 168 °C
Loss on Drying	≤ 0.5%

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