1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid
1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid (CAS 60239-18-1) is a macrocyclic chelating agent with the empirical formula C16H28N4O8 · xH2O and a molecular weight of 404.42 g/mol (anhydrous basis). It functions by strongly binding metal ions. This compound is primarily utilized in chemical synthesis and as a synthetic reagent. Its ability to form stable complexes makes it valuable in various research and industrial applications.
- IUPAC
- DOTA
- Synonyms
- 10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid60239-18-1C16H28N4O8 · xH2ODOTA

Metal Ion Chelation
This compound acts as a potent chelating agent, forming stable complexes with various metal ions. Its macrocyclic structure facilitates strong coordination, making it useful in applications requiring selective metal sequestration or delivery.
Chemical Synthesis
As a versatile building block, it is employed in complex organic synthesis pathways. Its unique structure allows for the introduction of specific functional groups or the creation of novel molecular architectures.
Analytical Reagent
Due to its metal-binding properties, it can serve as a reagent in analytical chemistry for the detection or quantification of specific metal ions. Its selectivity is key in complex sample matrices.
Research and Development
This compound is a valuable tool in research laboratories for exploring new chemical reactions, developing novel materials, and investigating biological or environmental processes involving metal ions.
| Molecular weight | 404.42 (anhydrous basis) |
|---|---|
| Empirical formula | C16H28N4O8 · xH2O |
| Assay | ≥97.0% (CHN) |

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 1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid used for?
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This compound is primarily used for its strong metal ion chelating properties, making it valuable in chemical synthesis and as a synthetic reagent in research and development applications. It can also function as an analytical reagent.
What are the CAS number and formula for 1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid?
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The CAS number is 60239-18-1, and its empirical formula is C16H28N4O8 · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of ≥97.0% (CHN). This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is classified as a Warning. 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.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions offers this chemical in various packaging sizes suitable for laboratory and industrial use. We are experienced global exporters, adhering to all necessary shipping regulations for chemical compounds.
How can I request a sample or quote?
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To request a sample or a quotation, please use the contact form on our website or reach out to our sales team directly with your inquiry.
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