Description

4,4'(5')-Di-T-Butyldibenzo-18-Crown-6 is a highly selective macrocyclic polyether, commonly known as a crown ether, specifically designed for complexing alkali metal cations. Its value lies in its exceptional ability to solubilize inorganic salts in organic media and act as a phase-transfer catalyst, significantly enhancing reaction rates and selectivities. This product is essential for researchers and manufacturers in pharmaceutical synthesis, chemical catalysis, and advanced materials science where precise cation control is required.

Application

• Phase-Transfer Catalysis (PTC): Facilitates reactions between ionic and organic reactants in biphasic systems, crucial for alkylation, oxidation, and polymerization processes.
• Ion-Selective Electrodes & Sensors: Serves as a key ionophore in membrane electrodes for the potentiometric detection of potassium and other cations.
• Chemical Separation & Extraction: Used in liquid-liquid extraction to selectively separate alkali and alkaline earth metal ions from complex mixtures.
• Organic Synthesis & Catalysis: Enables reactions under milder conditions by activating anions through cation complexation, improving yields in nucleophilic substitutions and eliminations.
• Polymer & Materials Science: Acts as a template or additive in the synthesis of ion-conductive polymers and functional materials.
• Analytical Chemistry: Employed as a masking agent or complexing agent in chromatography and spectroscopy to improve selectivity and resolution.

Basic Information

Product Name	4,4'(5')-Di-T-Butyldibenzo-18-Crown-6
CAS No.	88155-39-9
Molecular Formula	C30H44O6
Molecular Weight	500.67 g/mol
Synonyms	4,4'(5')-Di-tert-Butyldibenzo-18-crown-6; Di-tert-Butyldibenzo-18-crown-6; DB18C6 (tert-butyl derivative); 2,3,11,12-Dibenzo-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene, 4,4'(5')-di-tert-butyl-; 18-Crown-6, dibenzo-, 4,4'(5')-di-tert-butyl derivative; tert-Butyl DB18C6; Potassium ionophore III
EINECS	Contact for details

Quality Control

Our 4,4'(5')-Di-T-Butyldibenzo-18-Crown-6 is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) detailing all test results are available upon request.

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 hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	95 - 105 °C
Loss on Drying	≤ 1.0 %

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