1-Aza-12-crown-4
1-Aza-12-crown-4 (CAS 41775-76-2) is a chemical compound with the formula C8H17NO3 and a molecular weight of 175.23 g/mol. This aza-crown ether belongs to a class of compounds known for their ability to selectively complex metal cations. It is primarily utilised in chemical synthesis and as a specialised reagent in laboratory settings for applications involving chelation and complexation.
- IUPAC
- 1,4,7-Trioxa-10-azacyclododecane
- Synonyms
- 1,4,7-Trioxa-10-azacyclododecane

Chemical Synthesis
1-Aza-12-crown-4 serves as a versatile building block and reagent in organic synthesis. Its unique structure allows for selective coordination with metal ions, influencing reaction pathways and product outcomes.
Chelation and Complexation
This compound exhibits strong complexing abilities, making it valuable for applications requiring the selective binding and sequestration of specific metal cations in solution.
Laboratory Reagent
As a specialised laboratory reagent, 1-Aza-12-crown-4 finds use in research and development for studies in coordination chemistry and ion-selective applications.
| Molecular weight | 175.23 |
|---|---|
| Empirical formula | C8H17NO3 |
| Assay | ≥97.0% |
| Boiling point | 58-62 °C/0.005 mmHg(lit.) |
| Melting point | 54-58 °C(lit.)54-58 °C |

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-Aza-12-crown-4 used for?
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1-Aza-12-crown-4 is primarily used in chemical synthesis and as a specialised reagent for chelation and complexation applications.
What is the CAS number and formula for 1-Aza-12-crown-4?
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The CAS number is 41775-76-2 and the empirical formula is C8H17NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Aza-12-crown-4 with an assay of ≥97.0%. This product is not represented as USP, BP, EP or pharmaceutical grade.
How should 1-Aza-12-crown-4 be handled safely?
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Handle 1-Aza-12-crown-4 with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. As per GHS, it may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is 1-Aza-12-crown-4 a controlled substance?
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The provided data does not indicate that 1-Aza-12-crown-4 is a controlled substance.
How is 1-Aza-12-crown-4 packed and shipped?
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This chemical is packed according to industry standards for safe transport and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 1-Aza-12-crown-4?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team via our website or direct inquiry.
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