Description

1,4,7,10,13-Pentaoxacyclopentacosane is a high-purity, synthetic crown ether compound, specifically a 15-crown-5 derivative, known for its selective complexation properties with alkali metal cations. This compound is critical for applications requiring precise molecular recognition, phase-transfer catalysis, and the stabilization of reactive ionic species. It is an essential material for researchers and manufacturers in advanced organic synthesis, analytical chemistry, and materials science.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in organic synthesis.
• Ionophore for Sensors: Used as a selective ion carrier in the development of ion-selective electrodes (ISEs) and chemical sensors for alkali metal ions.
• Complexing Agent in Separation Science: Employed in liquid-liquid extraction and chromatography for the selective separation and purification of metal ions.
• Template in Supramolecular Chemistry: Acts as a building block or host molecule for constructing complex molecular architectures and studying host-guest interactions.
• Stabilizer for Organometallic Compounds: Helps stabilize alkali metal organometallics by solvating the cation, improving their handling and reactivity.
• Electrolyte Additive: Investigated for use in battery systems to improve ion conductivity and electrode stability.

Basic Information

Product Name	1,4,7,10,13-Pentaoxacyclopentacosane
CAS No.	79793-50-3
Molecular Formula	C20H40O5
Molecular Weight	360.53 g/mol
Synonyms	15-Crown-5; 1,4,7,10,13-Pentaoxacyclopentadecane; Pentaglyme; Pentaethylene glycol dimethyl ether; 2,5,8,11,14-Pentaoxapentadecane; Cyclic pentaethylene glycol; 15-Crown-5 ether
EINECS	Contact for details

Quality Control

Our 1,4,7,10,13-Pentaoxacyclopentacosane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay by HPLC, identification by FT-IR and NMR, and impurity profiling to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided and 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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