291110
4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane
98%
Synonym(s):
Cryptand 222, Kryptofix® 222
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About This Item
Empirical Formula (Hill Notation):
C18H36N2O6
CAS Number:
Molecular Weight:
376.49
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
EC Number:
245-962-4
Beilstein/REAXYS Number:
620282
MDL number:
Assay:
98%
Form:
solid
Quality Level
assay
98%
form
solid
mp
68-71 °C (lit.)
SMILES string
C1COCCN2CCOCCOCCN(CCO1)CCOCCOCC2
InChI
1S/C18H36N2O6/c1-7-21-13-14-24-10-4-20-5-11-25-17-15-22-8-2-19(1)3-9-23-16-18-26-12-6-20/h1-18H2
InChI key
AUFVJZSDSXXFOI-UHFFFAOYSA-N
General description
4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane(cryptand 222, Kryptofix 222) is an organic compound with formula C18H36N2O6. This compound has a cage-like three-dimensional structure that donates N2O6. The ligand has shown a wide range of uses in magnetic resonance imaging, organic synthesis, crystallography, electrochemistry, and chromatography. In solution, it is a well-known sequestering agent for metal ions.
Application
4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane is used as:
- A electrolyte additive in isotachophoresis[separation method that is particularly suited to the analysis of small ions]for the analysis of alkali metal cations.
- A complexing agent in the preparation of K+-imprinted nanoparticles using methacrylic acid as the functional monomer, ethylene glycol dimethacrylate as the crosslinker and 2,2′-azobisisobutyronitrile as the radical initiator.
- A structure directing agent (SDA) in the preparation of LTA-type AlPO4 crystals.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Cryptand used with potassium mirror to reduce a hindered distannene to a crystalline radical anion.
Legal Information
Kryptofix is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Articles
Crown ethers and cryptands, complexing agents able to selectively bind metal cations, are vital for diverse synthesis and analytical applications.
Metal Ion Compiexing by Cryptand 222 in Solutions. A Thermodynamic Approach
Marcus Y
Reviews in Analytical Chemistry, 23, 269-302 (2004)
Preparation of large and well-shaped LTA-type AlPO4 crystals by using crown ether Kryptofix 222 as structure directing agent
Huang A, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 129, 90-99 (2010)
Dynamers at the solid-liquid interface: controlling the reversible assembly/reassembly process between two highly ordered supramolecular guanine motifs.
Artur Ciesielski et al.
Angewandte Chemie (International ed. in English), 49(11), 1963-1966 (2010-02-06)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 291110-1G | 04061835554928 |
| 291110-250MG | 04061826552766 |