Description

2,6-Diketo-13-Thia-18-Crown-6 is a specialized crown ether derivative featuring a sulfur atom and two ketone groups within its macrocyclic ring structure. This unique functionalization makes it a highly selective and effective complexing agent for specific metal cations, particularly in challenging separation and analytical applications. It is a critical component for researchers and manufacturers in the fields of chemical synthesis, catalysis, and advanced materials science. The compound is also known by its CAS number 63689-59-8.

Application

• Selective Metal Ion Extraction: Used as a phase-transfer catalyst or extractant for the separation of specific alkali and alkaline earth metal ions from complex mixtures.
• Chemical Sensor Development: Serves as an ionophore in the fabrication of ion-selective electrodes (ISEs) and optical sensors for detecting target cations.
• Catalysis & Synthesis: Facilitates organic reactions by complexing and activating metal catalysts, improving reaction rates and selectivity in specialized syntheses.
• Analytical Chemistry: Employed as a mobile phase additive or stationary phase modifier in chromatography (e.g., HPLC) to separate ionic or polar compounds.
• Materials Science: Incorporated into polymers or membranes to create materials with specific ion-transport or recognition properties.
• Pharmaceutical Intermediates: Used in the synthesis of complex molecules where controlled metal coordination is required.
• Nuclear Fuel Reprocessing: Investigated for the selective binding and separation of specific radionuclides.
• Academic & Industrial Research: A valuable tool for studying host-guest chemistry, supramolecular assembly, and coordination chemistry.

Basic Information

Item	Detail
Product Name	2,6-Diketo-13-Thia-18-Crown-6
CAS No.	63689-59-8
Molecular Formula	C14H24O6S
Molecular Weight	320.40 g/mol
Synonyms	13-Thia-18-crown-6-2,6-dione; 2,6-Dioxo-13-thia-18-crown-6; 1,4,7,10,13-Pentaoxa-16-thiacyclooctadecane-2,6-dione; Diketothiacrown Ether; Thiacrown Ether Dione; 16-Thia-4,7,10,13-tetraoxa-1-azacyclooctadecane-2,6-dione (related structure); Contact for EINECS details.

Quality Control

Our 2,6-Diketo-13-Thia-18-Crown-6 is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and elemental analysis. We provide detailed Certificates of Analysis (COA) with every shipment to ensure traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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