1,4,7-Trithiacyclononane
1,4,7-Trithiacyclononane (CAS: 6573-11-1), a cyclic organic compound with the molecular formula C6H12S3 and a molecular weight of 180.35 g/mol, serves as a valuable reagent in chemical synthesis. Its structure, featuring a nine-membered ring with three sulfur atoms, makes it adept at forming stable complexes with various metal ions. This property underpins its utility in chelation and as a building block in the synthesis of more complex molecules.
- IUPAC
- Triethylene trisulfide
- Synonyms
- 6573-11-1Triethylene trisulfideC6H12S3

Coordination Chemistry
1,4,7-Trithiacyclononane acts as a tridentate ligand, forming stable complexes with a range of transition metals. These complexes are investigated for their catalytic properties and potential applications in materials science.
Chemical Synthesis
This compound is employed as a synthetic intermediate in the preparation of diverse organic molecules and supramolecular structures. Its sulfur atoms offer unique reactivity for further functionalization.
Metal Ion Sequestration
Due to its chelating ability, 1,4,7-Trithiacyclononane can be used to selectively bind and remove specific metal ions from solutions, finding potential applications in purification or separation processes.
| Molecular weight | 180.35 |
|---|---|
| Empirical formula | C6H12S3 |
| Assay | 97% |
| Melting point | 78-81 °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 1,4,7-Trithiacyclononane used for?
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1,4,7-Trithiacyclononane is primarily used in coordination chemistry as a ligand for metal ions and in organic synthesis as a building block or reagent. Its ability to chelate metals is a key feature for various applications.
What is the CAS number and molecular formula for 1,4,7-Trithiacyclononane?
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The CAS number for 1,4,7-Trithiacyclononane is 6573-11-1, and its molecular formula is C6H12S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,4,7-Trithiacyclononane with an assay of 97%. This product is typically considered a research or technical grade and is not represented as USP, BP, EP, or any other pharmacopoeia standard.
How should 1,4,7-Trithiacyclononane be handled safely?
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1,4,7-Trithiacyclononane is classified with GHS07, carrying a Warning signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Always handle in a well-ventilated area and avoid breathing dust. Store in a cool, dry place.
How is 1,4,7-Trithiacyclononane packed and shipped?
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1,4,7-Trithiacyclononane is carefully packed to ensure safe transit and is available for global export. Please contact us for specific shipping and handling information relevant to your region.
How can I request a sample or quote for 1,4,7-Trithiacyclononane?
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To request a sample or obtain a quotation for 1,4,7-Trithiacyclononane, please visit the product page on our website or contact our sales team directly with your requirements.
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