Description

1,4,7,10,15,18,21,24-Octaoxacyclooctacosane-11,14,25,28-Tetrone is a high-purity, complex macrocyclic polyether compound, also known as a crown ether derivative, valued for its exceptional ability to selectively bind specific cations. This property makes it a critical component for advanced chemical synthesis, catalysis, and separation processes where precise molecular recognition is required. It is primarily utilized by research institutions and industrial manufacturers in the fields of supramolecular chemistry, phase-transfer catalysis, and sensor technology.

Application

• Phase-Transfer Catalyst: Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in organic synthesis.
• Ionophore for Sensors: Acts as a selective ion-binding agent in the development of electrochemical and optical ion-selective electrodes and sensors.
• Supramolecular Host-Guest Chemistry: Serves as a building block for constructing complex molecular assemblies and machines due to its defined cavity size.
• Metal Ion Extraction & Separation: Used in analytical chemistry and hydrometallurgy for the selective extraction and purification of specific metal ions from mixtures.
• Polymer Modification: Incorporated into polymer matrices to create materials with specific ion-conducting or recognition properties.
• Pharmaceutical Intermediate: Employed in the synthesis of specialized drug candidates where controlled molecular interaction is crucial.

Basic Information

Product Name	1,4,7,10,15,18,21,24-Octaoxacyclooctacosane-11,14,25,28-Tetrone
CAS No.	92772-42-4
Molecular Formula	C₂₀H₂₈O₁₂
Molecular Weight	460.43 g/mol
Synonyms	Dibenzo-24-crown-8-2,3,11,12-tetracarboxylic acid dianhydride; DB24C8-Tetracarboxylic Dianhydride; 2,3,11,12-Dibenzo-1,4,7,10,13,16,19,22-octaoxacyclotetracosane-2,3,11,12-tetracarboxylic dianhydride; 2,3,11,12-Dibenzo-24-crown-8-tetracarboxylic dianhydride; Crown Ether Dianhydride Derivative; 24-Crown-8 Tetracarboxylic Dianhydride; Polyether Dianhydride
EINECS	Contact for details

Quality Control

Our 1,4,7,10,15,18,21,24-Octaoxacyclooctacosane-11,14,25,28-Tetrone is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, NMR, and FTIR for identity confirmation. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory 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 compound is moisture-sensitive; keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.