Description

1,1-Dimethylsila-14-Crown-5 is a specialized organosilicon crown ether compound, distinguished by its silicon-containing heteroatom within the macrocyclic ring structure. This unique molecular architecture provides selective binding properties for specific cations, making it a valuable tool in advanced chemical synthesis and separation science. It is primarily utilized by researchers and process chemists in the fields of coordination chemistry, material science, and catalysis, where precise molecular recognition is critical.

Application

• Selective Ion Transport and Separation: Acts as a host molecule for the selective complexation and transport of alkali and alkaline earth metal ions in membrane systems.
• Catalysis and Phase-Transfer Catalysis (PTC): Serves as a ligand or catalyst component to enhance reaction rates and selectivity in organic synthesis, particularly for reactions involving ionic intermediates.
• Chemical Sensor Development: Used as a key recognition element in the design of ion-selective electrodes and optical sensors for analytical applications.
• Advanced Material Synthesis: Incorporated into polymers or hybrid materials to impart ion-binding capabilities for creating smart membranes or functional surfaces.
• Fundamental Research in Supramolecular Chemistry: Employed as a model compound to study host-guest interactions, molecular recognition, and the effects of silicon substitution in macrocyclic ethers.

Basic Information

Product Name	1,1-Dimethylsila-14-Crown-5
CAS No.	70851-49-9
Molecular Formula	C12H24O5Si
Molecular Weight	276.41 g/mol
Synonyms	1,1-Dimethyl-1-sila-14-crown-5; 1,1-Dimethylsilacrown-5; Dimethylsila-14-crown-5 ether; 1,1-Dimethyl-1-silacyclotetradeca-3,5,7,9,11-pentaene-1,15-diol? (Parent structure); Silicon-containing crown ether; Organosilicon crown ether; SC-5 (abbrev.); Contact for EINECS details.

Quality Control

Every batch of 1,1-Dimethylsila-14-Crown-5 is produced and analyzed under strict quality management protocols to ensure high purity and batch-to-batch consistency for research and development purposes. Our standard analytical suite includes NMR, FT-IR, and HPLC to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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 (moisture-sensitive) nature, the container must be kept tightly sealed and consideration should be given to storage under an inert atmosphere for long-term preservation of quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%

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