7,16-Dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane
7,16-Dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane (CAS 69703-25-9), with the molecular formula C26H38N2O4 and a molecular weight of 442.59 g/mol, is a synthetic organic compound. This diaza crown ether derivative is primarily utilised in chemical synthesis and serves as a valuable reagent for chelation and complexation. Its specific structure allows for selective binding of metal cations.
- IUPAC
- 1,10-Dibenzyl-1,10-diaza-18-crown-6,N,N′-Dibenzyl-4,13-diaza-18-crown-6
- Synonyms
- 1,10-Dibenzyl-1,10-diaza-18-crown-6N,N′-Dibenzyl-4,13-diaza-18-crown-6

Chelation and Complexation
This compound acts as a sophisticated chelating agent, capable of forming stable complexes with various metal ions. Its application is crucial in processes requiring selective metal sequestration or transport.
Chemical Synthesis Reagent
As a diaza crown ether, it functions as a specialised reagent in organic synthesis. It can be employed to influence reaction pathways or facilitate the solubility of inorganic salts in organic solvents.
Research and Development
Utilised in laboratory settings for fundamental research into host-guest chemistry and the development of new synthetic methodologies. Its properties make it suitable for studies involving ion recognition and binding.
| Molecular weight | 442.59 |
|---|---|
| Empirical formula | C26H38N2O4 |
| Assay | 97% |
| Melting point | 80-83 °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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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 7,16-Dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane used for?
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This compound is primarily used in chemical synthesis and for chelation and complexation applications. It is also valuable in research and development for studies involving host-guest chemistry and ion recognition.
What are the CAS number and formula for 7,16-Dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane?
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The CAS number is 69703-25-9, and its empirical formula is C26H38N2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 7,16-Dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 7,16-Dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane be handled safely?
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This compound is a Warning signal word chemical that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95 (US), wear eyeshields and gloves. Ensure adequate ventilation.
How is this chemical exported and shipped?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, ensuring secure and compliant packaging for international shipments.
How can I request a sample or quote?
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Please contact our sales team via the website to request a sample or a detailed quotation for 7,16-Dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane.
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