Dibenzo-18-crown-6
- CAS No.14187-32-7
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity Dibenzo-18-crown-6 (CAS 14187-32-7), a versatile macrocyclic polyether widely used as a phase transfer catalyst and ion-selective reagent in pharmaceutical and fine chemical synthesis.
Request Bulk PricingProduct Technical Details
Product Overview
Dibenzo-18-crown-6 is a highly selective macrocyclic polyether compound renowned for its exceptional ability to complex with alkali metal cations, particularly potassium ions. With the molecular formula C20H24O6 and a molecular weight of 360.40 g/mol, this crown ether serves as a critical enabler in numerous synthetic transformations within the pharmaceutical, analytical, and materials science sectors. Its rigid dibenzo-fused structure enhances thermal stability and binding specificity compared to non-aromatic analogs.
Specifications
| Molecular Formula | C20H24O6 |
|---|---|
| Molecular Weight | 360.40 g/mol |
| CAS Number | 14187-32-7 |
| Appearance | White to almost white crystalline powder |
| Purity | ≥97.0% |
| Moisture | <1.0% |
| Heavy Metals | <0.0005% |
| Melting Point | 162–164 °C (lit.) |
| Boiling Point | 380–384 °C at 679 mmHg |
| Density | 1.108 g/cm³ |
| Refractive Index | 1.500 |
Industrial Applications
As a specialized intermediate, Dibenzo-18-crown-6 plays a pivotal role in advanced organic synthesis and process chemistry. Key applications include:
- Serving as an efficient phase transfer catalyst (PTC) to facilitate reactions between immiscible phases, significantly improving yields and reaction kinetics in nucleophilic substitutions and oxidations.
- Enabling selective ion recognition and transport in analytical chemistry for the enrichment, separation, and masking of specific metal ions—especially potassium—in complex matrices.
- Functioning as a building block in the development of ion-conductive polymers and liquid crystal display (LCD) components for electronic materials research.
- Supporting biochemical studies involving ion channel mimetics and membrane transport models due to its well-defined host-guest chemistry.
Stored in a tightly sealed container under cool, dry, and well-ventilated conditions, this compound maintains stability and performance throughout its shelf life. Supplied in standard 25 kg drums or customized packaging upon request, it meets stringent quality requirements for global B2B supply chains.
