Description

Kryptofix 23 is a specialized macrocyclic polyether, also known as a cryptand, with the CAS registry number 23978-10-1. This compound is a powerful and selective complexing agent, primarily valued for its ability to encapsulate alkali metal cations, particularly potassium ions, with high affinity and stability. It is an essential reagent in organic synthesis, catalysis, and materials science for researchers and manufacturers requiring precise cation control. Key industries that utilize this product include pharmaceutical development, advanced chemical synthesis, and specialized academic research.

Application

• Phase-Transfer Catalysis (PTC): Acts as a highly efficient phase-transfer catalyst, facilitating reactions between reagents in immiscible phases, crucial for alkylation and other synthesis steps.
• Nucleophilic Fluorination: Essential in the preparation of fluorinated organic compounds, particularly in radiofluorination for Positron Emission Tomography (PET) radiopharmaceuticals.
• Cation Template & Masking Agent: Used to selectively bind and mask specific alkali metal ions, directing the course of complex molecular syntheses and macrocycle formations.
• Ion-Selective Electrodes & Sensors: Serves as a key ionophore in the membrane of electrochemical sensors for the selective detection of potassium ions.
• Supramolecular Chemistry: A fundamental building block for constructing complex molecular architectures, host-guest complexes, and functional materials.
• Polymerization Catalyst: Employed as a co-catalyst or activator in anionic and coordination polymerization processes to control polymer structure.

Basic Information

Product Name	Kryptofix 23
CAS No.	23978-10-1
Molecular Formula	C18H36N2O6
Molecular Weight	376.49 g/mol
Synonyms	4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane; Kryptofix® 222; Kryptofix® 222B; 1,10-Diaza-4,7,13,16,21,24-hexaoxabicyclo[8.8.8]hexacosane; K-222; K2.2.2; Cryptand 222; 4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosan
EINECS	Contact for details

Quality Control

Our Kryptofix 23 is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to support applications in regulated environments, including pharmaceutical research and development.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere or in a desiccator after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	69 - 72 °C

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