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158402

Sigma-Aldrich

Dicyclohexano-18-crown-6

98%

Synonym(s):

2,3,11,12-Dicyclohexano-1,4,7,10,13,16-hexaoxacyclooctadecane, 2,5,8,15,18,21-Hexaoxatricyclo[20.4.0.09.14]hexacosane, Dicyclohexyl-18-crown-6, Perhydro-dibenzo-18-crown-6

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About This Item

Empirical Formula (Hill Notation):
C20H36O6
CAS Number:
16069-36-6
Molecular Weight:
372.50
Beilstein:
1130529
EC Number:
240-216-4
MDL number:
MFCD00005099
UNSPSC Code:
12352302
PubChem Substance ID:
24849733
NACRES:
NA.22

Assay

98%

form

solid

SMILES string

C1CCC2OCCOCCOC3CCCCC3OCCOCCOC2C1

InChI

1S/C20H36O6/c1-2-6-18-17(5-1)23-13-9-21-11-15-25-19-7-3-4-8-20(19)26-16-12-22-10-14-24-18/h17-20H,1-16H2

InChI key

BBGKDYHZQOSNMU-UHFFFAOYSA-N

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Application

Anion activator, and complexing agent which solubilizes alkali metal ions in non-polar solvents.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301,H319

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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18-Crown-6 99%

Sigma-Aldrich

186651

18-Crown-6

Svetlana V Smirnova et al.
Analytical and bioanalytical chemistry, 378(5), 1369-1375 (2004-01-30)
Amino acids Trp, Gly, Ala, Leu are extracted efficiently from aqueous solution at pH 1.5-4.0 (Lys and Arg at pH 1.5-5.5) into the room temperature ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate (BmimPF(6)) with dicyclohexano-18-crown-6 (CE). The most hydrophilic amino acids such as
E W Bethge et al.
General physiology and biophysics, 10(3), 225-244 (1991-06-01)
The effects of some potassium channel blockers on the ionic currents and on the so-called K(+)-depolarization in intact myelinated nerve fibres were studied. 4-AP, and in particular, Flaxedil, proved to be selective K(+)-current blockers. However, TEA, a crown ether (DCH18C6)
Negar Bahraini et al.
Health physics, 101(2), 128-135 (2011-06-29)
A molecularly imprinted polymer (MIP) comprising dicyclohexano-18-crown-6 (DCH18C6) was synthesized as a Sr-selective sorbent for urine bioassay purposes. MIP particles (326 ± 2 nm diameter) were formed using acetone and acetonitrile (1:3 v/v) as the porogen, methacrylic acid (MAA) as
Gazzetta Chimica Italiana, 123, 19-19 (1993)
Camiel H C Janssen et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 15(16), 3536-3543 (2014-08-27)
The selective extraction of metals from aqueous mixtures has generally relied on the use of selective ionophores. We present an alternative strategy that exploits a recently developed approach to extraction into an ionic liquid phase, and show that a high
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