80833
18-冠醚-6
suitable for ion chromatography, ≥99.0% (GC)
别名:
1,4,7,10,13,16-六氧环十八烷
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关于此项目
经验公式（希尔记法）:
C12H24O6
化学文摘社编号:
分子量:
264.32
EC Number:
241-473-5
UNSPSC Code:
12352005
NACRES:
NB.21
Beilstein/REAXYS Number:
1619616
MDL number:
产品名称
18-冠醚-6, suitable for ion chromatography, ≥99.0% (GC)
InChI
1S/C12H24O6/c1-2-14-5-6-16-9-10-18-12-11-17-8-7-15-4-3-13-1/h1-12H2
InChI key
XEZNGIUYQVAUSS-UHFFFAOYSA-N
SMILES string
O1CCOCCOCCOCCOCCOCC1
assay
≥99.0% (GC)
form
solid
Quality Level
greener alternative product characteristics
Catalysis
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technique(s)
ion chromatography: suitable
mp
42-45 °C (lit.)
cation traces
Al: ≤1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤1 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
NH4+: ≤10 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg
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Application
有效用作相转移催化剂。
18-Crown-6 may be used as a complexing agent, along with the mobile phase for the separation of alkali and alkaline earth metal and amine cations and its application for the direct analysis of ammonia from nitrogenase is studied. It may also be used as a complexing agent in the determination of inorganic and organic anions, alkali, alkaline earth and transition metal cations by capillary electrophoresis using contactless conductometric detector.
Learn more in the Product Information
General description
18-Crown-6 belongs to the class of Crown ethers, a group of macrocyclic polyethers, which have become valuable tools in organic synthesis, since they can solvate alkali, alkaline-earth and transition-metal cations in nonpolar, aprotic solvents. 18-Crown-6 is found to be most suitable for complexing with K+, NH4+ and Rb+ cations.
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Legal Information
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
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Warning
hcodes
pcodes
Hazard Classifications
Acute Tox. 4 Oral
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Simultaneous determination of inorganic and organic anions, alkali, alkaline earth and transition metal cations by capillary electrophoresis with contactless conductometric detection
Kuban P, et al.
Electrophoresis, 23(21), 3725-3734 (2002)
Use of mobile phase 18-crown-6 to improve peak resolution between mono-and divalent metal and amine cations in ion chromatography
Richens AD, et al.
Journal of Chromatography A, 1016(2), 155-164 (2003)
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