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
Beilstein:
620282
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22
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![4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane 98%](/deepweb/assets/sigmaaldrich/product/structures/444/464/eeb08f63-862e-447e-8e41-342d713f439c/640/eeb08f63-862e-447e-8e41-342d713f439c.png)
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
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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
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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
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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.
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Direct analysis of Kryptofix 2.2.2 in 18FDG by gas chromatography using a nitrogen-selective detector.
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