Description

4'-Bromobenzo-18-Crown-6 is a functionalized crown ether derivative, specifically a brominated benzo-18-crown-6 ether. This compound is valued for its selective ion-binding properties, making it a crucial ligand for complexing potassium and other alkali metal cations in various chemical processes. It is primarily utilized by researchers and manufacturers in the fields of organic synthesis, materials science, and analytical chemistry for applications such as phase-transfer catalysis, ion-selective sensors, and separation technologies.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly useful in nucleophilic substitution and alkylation reactions.
• Ion-Selective Electrodes & Sensors: Serves as a key ionophore in membrane electrodes for the selective detection and quantification of potassium ions (K⁺).
• Metal Ion Extraction & Separation: Used in liquid-liquid extraction processes to selectively bind and separate alkali metal ions from complex mixtures.
• Supramolecular Chemistry & Host-Guest Systems: Acts as a building block for constructing more complex molecular receptors and functional materials.
• Organic Synthesis Intermediate: The bromine substituent provides a reactive site for further functionalization via cross-coupling reactions (e.g., Suzuki, Heck).
• Analytical Chemistry Reagent: Employed in chromatographic methods and as a complexing agent to modify the solubility or reactivity of ionic species.

Basic Information

Product Name	4'-Bromobenzo-18-Crown-6
CAS No.	75460-28-5
Molecular Formula	C₁₆H₂₃BrO₆
Molecular Weight	391.26 g/mol
Synonyms	4'-Bromo-benzo-18-crown-6; 4-Bromobenzo-18-crown-6; Benzo-18-crown-6, 4'-bromo-; 2,3,5,6,8,9,11,12-Octahydro-1,4,7,10,13,16-benzobexaoxacyclooctadecin, 17-bromo-; 17-Bromo-1,4,7,10,13,16-benzobexaoxacyclooctadec-2,3,5,6,8,9,11,12-octahydro; Bromobenzo-18-crown-6; 4-Bromo-B18C6
EINECS	Contact for details

Quality Control

Our 4'-Bromobenzo-18-Crown-6 is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Standard quality parameters include identification, assay (purity), and impurity profile analysis. Certificates of Analysis (COA) documenting all test results 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 room temperature (15-25°C). This material is light-sensitive and should be handled and stored accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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