Description

2,4,6,8,10,12,14-Heptaoxapentadecane is a high-purity cyclic polyether, also known as 15-crown-5, which serves as a highly effective and selective complexing agent for alkali metal cations. Its primary value lies in its ability to solubilize ionic reagents in organic media and act as a phase-transfer catalyst, significantly enhancing reaction rates and yields in specialized syntheses. This product is essential for researchers and manufacturers in the pharmaceutical, fine chemical, and advanced materials sectors who require precise control over cation reactivity and solubility.

Application

• Phase-Transfer Catalysis (PTC): Facilitates reactions between ionic and organic species in two-phase systems, crucial for alkylation, esterification, and polymerization processes.
• Chemical Synthesis: Acts as a complexing agent to enhance the solubility and reactivity of alkali metal salts (e.g., potassium permanganate, potassium fluoride) in non-polar organic solvents.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules where selective cation binding is required for specific reaction steps.
• Analytical Chemistry: Employed in ion-selective electrodes and as a component in mobile phases for chromatographic separation of ionic compounds.
• Polymer & Materials Science: Serves as a template or additive in the production of specialty polymers and for modifying surface properties.
• Electrolyte Additive: Investigated for use in battery electrolytes to improve ion conductivity and stability.

Basic Information

Product Name	2,4,6,8,10,12,14-Heptaoxapentadecane
CAS No.	13352-77-7
Molecular Formula	C10H20O5
Molecular Weight	220.26 g/mol
Synonyms	15-Crown-5; 1,4,7,10,13-Pentaoxacyclopentadecane; Pentaglyme; Cyclic Pentaethylene Glycol; Pentaethylene Glycol Cyclic Ether; 1,4,7,10,13-Pentaoxacyclopentadec-2-ene (common misnomer); Aza-15-crown-5 precursor; Crown Ether 15C5
EINECS	236-406-6

Quality Control

Our 2,4,6,8,10,12,14-Heptaoxapentadecane is manufactured under a strict quality management system. Each batch is subjected to rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets the high standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment.

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 compound is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture, which can affect purity and performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.460 - 1.465
Density (20°C)	1.10 - 1.12 g/mL

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