Description

2,2-Dimethyl-1,4,7,10,13-Pentaoxacyclopentadecane is a specialized macrocyclic polyether, commonly known as a crown ether, with a high affinity for complexing with specific cations. This compound is valued for its role as a highly selective phase-transfer catalyst and complexing agent in synthetic organic chemistry and materials science. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise control over reaction pathways and ion transport.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in alkylation, esterification, and polymerization processes.
• Ion-Selective Complexation: Used in the development of ion-selective electrodes, sensors, and membranes for analytical chemistry and environmental monitoring.
• Pharmaceutical Synthesis: Enables precise stereochemical control and purification in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Polymer & Materials Science: Serves as a template or additive in the synthesis of conductive polymers, liquid crystals, and nanostructured materials.
• Separation Science: Employed in chromatographic stationary phases and extraction techniques for the selective separation of metal ions or chiral compounds.
• Agrochemical Formulation: Aids in the synthesis and formulation of pesticides and herbicides by improving solubility and bioavailability of active components.

Basic Information

Product Name	2,2-Dimethyl-1,4,7,10,13-Pentaoxacyclopentadecane
CAS No.	74649-90-4
Molecular Formula	C12H24O5
Molecular Weight	248.32 g/mol
Synonyms	15-Crown-5, 2,2-Dimethyl; 2,2-Dimethyl-15-crown-5; 1,4,7,10,13-Pentaoxacyclopentadecane, 2,2-dimethyl-; 15-Crown-5 dimethyl derivative; 2,2-Dimethyl-1,4,7,10,13-pentaoxacyclopentadecane; Dicyclohexano-15-crown-5 (related analog); Polyether macrocycle
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-1,4,7,10,13-Pentaoxacyclopentadecane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.460 - 1.465
Density (g/mL at 20°C)	1.08 - 1.12

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