Names | |
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Preferred IUPAC name
1,4,7,10-Tetrazacyclododecane | |
Other names
Tetraaza-12-crown-4
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.102.391 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C8H20N4 | |
Molar mass | 172.276 g·mol−1 |
Appearance | White solid |
Melting point | 110–113 °C (230–235 °F; 383–386 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Cyclen (1,4,7,10-tetraazacyclododecane) is a aza-crown ether with the formula (CH2CH2NH)4. It is a white solid. Being structurally simple, symmetrical, and polyfunctional, cyclen has been widely investigated.[1]