Description

Kryptofix(R) 211 is a specialized macrocyclic polyether, also known as a cryptand, with the CAS number 31250-06-3. This compound is a crucial phase-transfer catalyst and complexing agent, valued for its ability to selectively bind cations and facilitate reactions in non-polar media. It is essential for researchers and manufacturers in pharmaceutical synthesis, organic chemistry research, and materials science who require precise control over reaction kinetics and selectivity.

Application

• Phase-Transfer Catalysis (PTC): Enables reactions between reagents in immiscible phases, accelerating alkylation, etherification, and esterification processes.
• Pharmaceutical Intermediate Synthesis: Used as a key reagent or catalyst in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Cation Complexation & Separation: Selectively binds specific alkali and alkaline earth metal ions for analytical separation, purification, or sensor applications.
• Polymerization Catalyst: Acts as an initiator or catalyst component in the polymerization of certain monomers, such as epoxides.
• Organic Synthesis & Research: Facilitates challenging nucleophilic substitution and condensation reactions in research and development laboratories.
• Materials Science: Employed in the development of ion-selective membranes, electrodes, and advanced functional materials.

Basic Information

Product Name	Kryptofix(R) 211
CAS No.	31250-06-3
Molecular Formula	C14H28N2O4
Molecular Weight	288.38 g/mol
Synonyms	4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane; Kryptofix 211; K-211; 1,10-Diaza-4,7,13,16,21,24-hexaoxabicyclo[8.8.8]hexacosane; Cryptand 211; Diaza-18-crown-6 derivative; 2.2.2-Cryptand; [2.2.2]Cryptand
EINECS	Contact for details

Quality Control

Our Kryptofix(R) 211 is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory documentation.

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 product is hygroscopic (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
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.