Description

1,1-Dimethylsila-11-Crown-4 is a specialized organosilicon crown ether compound, distinguished by its silicon-containing heteroatom within the macrocyclic ring structure. This unique architecture provides selective binding properties for specific cations, making it a valuable complexing agent and phase-transfer catalyst in advanced synthetic chemistry. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel synthetic pathways and separation processes.

Application

• As a selective complexing agent for alkali and alkaline earth metal ions in separation science.
• As a phase-transfer catalyst (PTC) in organic synthesis to facilitate reactions between reagents in immiscible phases.
• In the development of ion-selective electrodes and sensors due to its specific cation-binding affinity.
• For the extraction and purification of specific metal ions in analytical and industrial processes.
• As a key building block or ligand in the synthesis of more complex functional materials and catalysts.
• In academic and industrial R&D for studying host-guest chemistry and supramolecular assembly.

Basic Information

Product Name	1,1-Dimethylsila-11-Crown-4
CAS No.	18339-94-1
Molecular Formula	C10H22O4Si
Molecular Weight	234.37 g/mol
Synonyms	1,1-Dimethyl-1-sila-11-crown-4; 2,5,8,11-Tetraoxa-1-silacyclotetradecane, 1,1-dimethyl-; Dimethylsila-11-crown-4; 1,1-Dimethyl-1-sila-crown-4; Silicon crown ether; Organosilicon crown ether; Silacrown ether; DMS-11-C-4
EINECS	Contact for details

Quality Control

Our 1,1-Dimethylsila-11-Crown-4 is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC analysis, to verify identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring full traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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