Dibenzo-24-crown-8
Dibenzo-24-crown-8 (CAS: 14174-09-5; C24H32O8; MW: 448.51) is a dibenzocrown ether recognised for its ability to selectively complex with metal cations. This property makes it a valuable reagent in chemical synthesis and for applications requiring specific ion chelation. Its defined structure and purity enable predictable interactions in research and industrial chemical processes.
- IUPAC
- 2,3,14,15-Dibenzo-1,4,7,10,13,16,19,22-octaoxacyclotetracosa-2,14-diene,6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenz[b,n]-1,4,7,10,13,16,19,22-octaoxacyclotetracosane

Ion Chelation and Complexation
Dibenzo-24-crown-8 is extensively used for the selective complexation of alkali and alkaline earth metal ions. Its cavity size is particularly suited for binding larger cations, influencing their solubility and reactivity in various solvent systems.
Phase Transfer Catalysis
As a crown ether, it can function as a phase transfer catalyst, facilitating the transfer of inorganic anions from an aqueous phase to an organic phase. This enhances reaction rates and yields in organic synthesis.
Chemical Synthesis Reagent
It serves as a versatile building block and reagent in complex organic synthesis pathways. Its predictable coordination chemistry is exploited in the design of novel materials and supramolecular structures.
| Molecular weight | 448.51 |
|---|---|
| Empirical formula | C24H32O8 |
| Assay | 98% |
| Grade | purum |
| Melting point | 103-105 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Dibenzo-24-crown-8 used for?
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Dibenzo-24-crown-8 is primarily used for ion chelation and complexation, particularly with larger cations, and serves as a reagent in chemical synthesis and as a phase transfer catalyst.
What is the CAS number and chemical formula for Dibenzo-24-crown-8?
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The CAS number is 14174-09-5 and the chemical formula is C24H32O8.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dibenzo-24-crown-8 with an assay of 98% and a 'purum' grade. We do not represent this product as USP, BP, or EP grade.
How should Dibenzo-24-crown-8 be handled?
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Handle Dibenzo-24-crown-8 with appropriate personal protective equipment. It is classified as a skin irritant (H315), eye irritant (H319), and may cause respiratory irritation (H335). Ensure good ventilation and avoid contact with skin, eyes, and clothing. Refer to the safety data sheet for full details.
How is Dibenzo-24-crown-8 packed, shipped, and exported?
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Dibenzo-24-crown-8 is carefully packed according to international shipping regulations to ensure safe transit. Tech Serve Solutions is experienced in global export.
How can I request a sample or quote for Dibenzo-24-crown-8?
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Please contact our sales team via the website or provide your details to request a sample or a formal quotation.
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