Description

Bis (3,4-Dibromobenzene) -18-Crown-6 is a specialized, functionalized crown ether derivative. This compound is valued for its ability to form stable, selective complexes with specific cations, a property enhanced by the electron-withdrawing bromine substituents. It is primarily utilized by researchers and process chemists in advanced organic synthesis, materials science, and as a key component in the development of selective ionophores for analytical and separation technologies.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly useful in nucleophilic substitution and alkylation reactions.
• Ionophore for Sensor Development: Serves as a selective host molecule in the construction of ion-selective electrodes (ISEs) and optical chemical sensors for cation detection.
• Template in Supramolecular Chemistry: Used as a building block or template for assembling more complex molecular architectures and host-guest complexes.
• Metal Ion Extraction & Separation: Employed in liquid-liquid extraction processes to selectively bind and separate specific metal ions from mixtures.
• Organic Synthesis Intermediate: Acts as a precursor or key reagent in the synthesis of more complex functionalized crown ethers and macrocyclic compounds.
• Polymer Modification: Can be incorporated into polymer backbones to create materials with specific ion-binding or transport properties.

Basic Information

Product Name	Bis (3,4-Dibromobenzene) -18-Crown-6
CAS No.	40100-11-6
Molecular Formula	C24H28Br4O6
Molecular Weight	708.99 g/mol
Synonyms	1,4,7,10,13,16-Hexaoxacyclooctadecane, 2,3,11,12-tetrakis(3,4-dibromophenyl)-; 2,3,11,12-Tetrakis(3,4-dibromophenyl)-18-crown-6; 18-Crown-6, 2,3,11,12-tetrakis(3,4-dibromophenyl)-; Dibromobenzene Crown Ether; Functionalized 18-Crown-6 Ether; 3,4-Dibromobenzene-Substituted Crown Ether
EINECS	Contact for details

Quality Control

Our Bis (3,4-Dibromobenzene) -18-Crown-6 is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistency and reliability for research and development applications. A Certificate of Analysis (COA) detailing specific batch results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

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	≤ 1.0%
Heavy Metals	≤ 20 ppm

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