Description

4'-Isocyanatobenzo-18-Crown-6, 99 is a high-purity, functionalized crown ether derivative where an isocyanate group is strategically attached to the benzo moiety. This compound matters as a versatile and reactive building block for synthesizing sophisticated host-guest complexes and advanced polymeric materials with selective binding properties. It is essential for researchers and manufacturers in the fields of supramolecular chemistry, sensor development, and specialty polymer synthesis who require precise molecular recognition capabilities.

Application

• Supramolecular Chemistry & Host-Guest Systems: Acts as a key precursor for constructing functionalized crown ether hosts with tailored binding affinities for specific cations, including alkali and alkaline earth metals.
• Chemical Sensor Development: Used to fabricate selective recognition layers in electrochemical or optical sensors for ion detection.
• Polymer & Material Science: Serves as a reactive monomer for synthesizing crown ether-functionalized polymers, resins, and dendrimers via the isocyanate group's reactivity with alcohols and amines.
• Separation Science: Employed in the development of novel stationary phases for chromatography or extraction membranes designed for ion separation.
• Catalysis: Can be used to create immobilized catalyst systems where the crown ether moiety acts as a phase-transfer agent or modifies local microenvironment.
• Academic & Industrial R&D: A critical reagent for fundamental research in molecular recognition and the development of new smart materials.

Basic Information

Product Name	4'-Isocyanatobenzo-18-Crown-6, 99
CAS No.	83935-63-1
Molecular Formula	C19H27NO7
Molecular Weight	381.42 g/mol
Synonyms	Benzo-18-crown-6-4'-isocyanate; 4-Isocyanatobenzo-18-crown-6; 1-Isocyanato-4,7,10,13,16-pentaoxabenzocyclooctadec-4-ene; 18-Crown-6 ether, 4'-isocyanatobenzo derivative; 4,7,10,13,16-Pentaoxa-1-azabicyclo[8.8.8]hexacos-4-ene-1-carbonyl chloride? (common misnomer); B18C6-NCO; 4'-NCO-B18C6
EINECS	Contact for details

Quality Control

Our 4'-Isocyanatobenzo-18-Crown-6, 99 is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure it meets the high-purity standard of 99% (typical, by HPLC). Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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 place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep container tightly sealed in a desiccator when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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