Description

18-Crown-6 Acetonitrile Complex is a pre-formed, stable complex of the versatile macrocyclic polyether 18-crown-6 with acetonitrile. This complex is particularly valuable for applications requiring the crown ether's phase-transfer and cation-binding properties without the need to handle the hygroscopic free ligand directly. It is primarily utilized in organic synthesis, catalysis, and materials science research where precise control of ionic interactions and solubility is critical.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in alkylation, substitution, and polymerization processes.
• Cation-Binding Agent: Used to selectively complex alkali and alkaline earth metal cations (e.g., K⁺, Na⁺) in solution, modifying reactivity and solubility in synthetic chemistry.
• Organic Synthesis Reagent: Employed in the synthesis of complex molecules, including pharmaceuticals and fine chemicals, where it acts as a template or solubilizing agent.
• Electrolyte Additive: Investigated for use in battery and electrochemical systems to stabilize electrolytes and influence ion transport.
• Materials Science Research: Serves as a building block or templating agent in the development of supramolecular structures and advanced materials.
• Analytical Chemistry: Used in ion-selective electrodes and sensors as a component of the ionophore membrane for cation detection.

Basic Information

Product Name	18-Crown-6 Acetonitrile Complex
CAS No.	55075-35-9
Molecular Formula	C₁₄H₂₆N₂O₆
Molecular Weight	318.37 g/mol
Synonyms	1,4,7,10,13,16-Hexaoxacyclooctadecane Acetonitrile Complex; 18-Crown-6 Ether Acetonitrile Adduct; 18-C-6•CH₃CN; Acetonitrile-18-crown-6 Complex; 18-Crown-6•MeCN; Crown Ether 18-Crown-6 Acetonitrile Solvate; 1,4,7,10,13,16-Hexaoxacyclooctadecane, compd. with acetonitrile (1:1)
EINECS	Contact for details

Quality Control

Our 18-Crown-6 Acetonitrile Complex is manufactured under strict quality protocols. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and Karl Fischer titration, to ensure identity, purity, and conformity to specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation from moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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