Description

1,3,5,7,10-Pentaoxacyclododecane(9Ci) is a specialized cyclic polyether compound, also known as a crown ether, with the CAS number 85482-63-9. Its unique molecular structure, featuring multiple oxygen atoms within a macrocyclic ring, makes it a valuable ligand for complexing metal ions and facilitating phase-transfer catalysis. This high-purity chemical is essential for researchers and manufacturers in advanced organic synthesis, materials science, and analytical chemistry who require precise molecular recognition properties.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in organic synthesis.
• Metal Ion Complexation: Acts as a selective host for alkali and alkaline earth metal cations, useful in ion separation, extraction, and sensing applications.
• Polymer & Materials Science: Serves as a building block or templating agent for creating functional polymers, supramolecular assemblies, and advanced materials.
• Analytical Chemistry: Used in chromatography and spectroscopy as a mobile phase additive or complexing agent to improve separation and detection of ionic species.
• Chemical Research & Development: A key reagent for studying host-guest chemistry, developing new catalytic systems, and synthesizing novel macrocyclic compounds.
• Electrolyte Additive: Potential application in battery research to modify electrolyte properties and stabilize electrode interfaces.

Basic Information

Product Name	1,3,5,7,10-Pentaoxacyclododecane(9Ci)
CAS No.	85482-63-9
Molecular Formula	C7H14O5
Molecular Weight	178.18 g/mol
Synonyms	12-Crown-4; 1,4,7,10-Tetraoxacyclododecane (common name); 1,3,5,7,10-Pentaoxacyclododecane; Cyclic Tetramer of Ethylene Oxide; 12-Crown-4 Ether; 1,4,7,10-Tetraoxacyclododecane, 12-crown-4; [12]Crown-4
EINECS	Contact for details

Quality Control

Our 1,3,5,7,10-Pentaoxacyclododecane(9Ci) is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC, to ensure high chemical purity and structural integrity. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee consistency and reliability for your critical research and production needs.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

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

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