291161
4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane
98%
Synonym(s):
Kryptofix® 221
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About This Item
Empirical Formula (Hill Notation):
C16H32N2O5
CAS Number:
Molecular Weight:
332.44
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
EC Number:
250-592-1
Beilstein/REAXYS Number:
616444
MDL number:
Assay:
98%
InChI key
HDLXPNDSLDLJHF-UHFFFAOYSA-N
InChI
1S/C16H32N2O5/c1-7-19-8-2-18-5-11-22-15-13-20-9-3-17(1)4-10-21-14-16-23-12-6-18/h1-16H2
SMILES string
C1COCCN2CCOCCOCCN(CCO1)CCOCC2
assay
98%
refractive index
n20/D 1.5018 (lit.)
density
1.111 g/mL at 20 °C (lit.)
Quality Level
Application
4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane is a cryptand which is capable of forming complexes with metal cations. It is used to bind or trap cationic guests such as Na+, Cd2+, Zn2+ and Eu3+.
Legal Information
Kryptofix is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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Rate and Equilibrium Data for the Complex Formation of Alkali Metal Ions with the Cryptand (2, 2, 1) in Methanol.
Cox B G, et al.
Berichte Bunsen-Gesellschaft, 84(5), 470-474 (1980)
R P Taylor et al.
Clinical biochemistry, 29(1), 33-37 (1996-02-01)
To develop methods based on enzyme activation for the analysis of sweat sodium and chloride using beta-galactosidase and alpha-amylase, respectively. Both were monitored kinetically on the Cobas Fara centrifugal analyzer. The sweat, collected with the Macroduct system, was diluted no
M Castaing et al.
The Journal of membrane biology, 97(2), 79-95 (1987-01-01)
The kinetics of Na+ and K+ transport across the membrane of large unilamellar vesicles (LUV) were determined at two pH's when transport was induced by (221)C10-cryptand (diaza-1,10-decyl-5-pentaoxa-4,7,13,16,21-bicyclo [8.8.5.] tricosane) at various temperatures, and by nonactin at 25 degrees C and
Formation of Cadmium (II) Nitrate Complexes with Macrocycles.
Hak-Jin J and Oh-Jin J
Bull. Korean Chem. Soc., 14(5), 561-567 (1993)
A Loiseau et al.
Biochimica et biophysica acta, 1235(1), 21-32 (1995-04-12)
The kinetics of the competitive transport of Na+ and K+ ions across the membrane of large unilamellar vesicles (LUV) were determined when transport was induced by (221)C10-cryptand, an ionizable mobile carrier. The experiments were performed at various pH values (7.7
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