1,4,7,10,13,16-Hexamethyl-1,4,7,10,13,16-hexaazacyclooctadecane
1,4,7,10,13,16-Hexamethyl-1,4,7,10,13,16-hexaazacyclooctadecane (CAS 79676-97-4) is a macrocyclic amine with the molecular formula C18H42N6 and a molecular weight of 342.57 g/mol. This compound functions effectively as a chelation and complexation agent, finding utility in chemical synthesis as a specialised reagent. Its unique cyclic structure allows for selective binding of metal ions, making it valuable in various research and industrial applications.
- IUPAC
- Hexamethylhexacyclen
- Synonyms
- 10,13,16-Hexamethyl-1,4,7,10,13,16-hexaazacyclooctadecaneHexamethylhexacyclen

Chelation and Complexation
This macrocyclic amine is adept at forming stable complexes with various metal ions due to its specific arrangement of nitrogen atoms. It is frequently employed in applications requiring selective metal ion binding and sequestration.
Chemical Synthesis
As a synthetic reagent, it can be used in organic synthesis to facilitate specific reactions or to stabilise reactive intermediates. Its structure offers unique properties for advanced chemical transformations.
Research and Development
Utilised in laboratory settings for fundamental research in coordination chemistry and materials science. Its complexing abilities make it a subject of interest for developing new catalysts or analytical methods.
| Molecular weight | 342.57 |
|---|---|
| Empirical formula | C18H42N6 |
| Assay | ≥97.0% (GC) |
| Boiling point | 140 °C/0.02 mmHg(lit.) |
| Density | 0.944 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.494(lit.)n20/D 1.494 |

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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37 |
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 1,4,7,10,13,16-Hexamethyl-1,4,7,10,13,16-hexaazacyclooctadecane used for?
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This compound is primarily used as a chelation and complexation agent and as a reagent in chemical synthesis.
What is the CAS number and formula for this product?
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The CAS number is 79676-97-4 and the empirical formula is C18H42N6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of ≥97.0% (GC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should this chemical be handled safely?
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This compound is classified as a Warning, with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, such as eyeshields, gloves, and a suitable respirator, should be used. Handle in a well-ventilated area.
How are your chemicals packed and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals, ensuring robust packaging and compliance with international shipping regulations for safe and efficient delivery.
How can I request a sample or quote?
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To request a sample or a detailed quote, please contact our sales team directly through our website or via email, providing the product name and CAS number.
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