Benzo-18-crown-6, CAS No. 14098-24-9

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14098-24-9

Catalog No. EBD18808

CAS 14098-24-9

Name Benzo-18-crown-6

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Basic Information

Synonyms: 4-Bromo-DL-phenylalanine Benzo-18-crown-6 1,4,7,10,13,16-benzohexaoxacyclooctadecin,2,3,5,6,8,9,11,12,14,15-decahydro- 14098-24-9 B18C6 2,3,5,6,8,9,11,12,14,15-decahydro-1,4,7,10,13,16-benzohexaoxacyclooctadecine benzo-18-crown6-ether crownether

Molecular Formula: C16H24O6

Molecular Weight: 312.36

MDL Number: MFCD00062741

Categories: Materials Chemistry > Adsorption and Separation Materials > Macrocyclic and Host-Guest Chemistry Building Blocks Synthetic Chemistry > Basic Synthetic Reagents > Other Basic Synthetic Reagents

Product Description:

Benzo-18-crown-6 ether is a macrocyclic polyether compound belonging to the crown ether family. Its structure features a central cavity defined by six oxygen atoms, which is highly selective for binding potassium cations (K⁺) and other alkali metal ions of similar size. This property is fundamental to its function as a phase-transfer catalyst and ionophore. The primary application of benzo-18-crown-6 is in chemical synthesis and separation science. It acts as a powerful phase-transfer catalyst, facilitating reactions between reagents in immiscible phases (e.g., aqueous and organic) by complexing and transporting cations into organic media. It is also a key building block in supramolecular chemistry for constructing more complex host-guest systems, sensors, and functional materials. Furthermore, it serves as a model compound in studies of cation recognition and transport mechanisms. Due to its specific ion-binding properties, it finds use in analytical chemistry for ion-selective electrodes and membrane transport studies. As a versatile tool in research and industrial processes, its utility spans from fundamental coordination chemistry to applications in material science and catalysis.

Physical Properties

Melting Point: 42-45 °C(lit.)

Boiling Point: 451.8 °C at 760 mmHg

Flash Point: 113 °C

Density: 1.057 g/cm3

Analytical Data

Appearance: white granular powder and chunks