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158399

Sigma-Aldrich

Dibenzo-18-crown-6

98%

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Synonym(s):
2,3,11,12-Dibenzo-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene, 6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecene, DB18C6
Empirical Formula (Hill Notation):
C20H24O6
CAS Number:
Molecular Weight:
360.40
Beilstein/REAXYS Number:
1162153
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

mp

162-164 °C (lit.)

SMILES string

C1COc2ccccc2OCCOCCOc3ccccc3OCCO1

InChI

1S/C20H24O6/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/h1-8H,9-16H2

InChI key

YSSSPARMOAYJTE-UHFFFAOYSA-N

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1 of 4

This Item
158402253197332518
Dibenzo-18-crown-6 98%

158399

Dibenzo-18-crown-6

Dicyclohexano-18-crown-6 98%

158402

Dicyclohexano-18-crown-6

Dibenzo-24-crown-8 98%

253197

Dibenzo-24-crown-8

Dibenzo-30-crown-10 98%

332518

Dibenzo-30-crown-10

Quality Level

100

Quality Level

-

Quality Level

100

Quality Level

-

mp

162-164 °C (lit.)

mp

-

mp

103-105 °C (lit.)

mp

106-108 °C (lit.)

General description

Dibenzo-18-crown-6 is a macrocyclic ligand used in the selective binding and extraction of alkali metal cations in solution phase.

Application

Phase-transfer catalyst employed in monoazaporphyrin syntheses. Agent used for ion transfer across membranes and as a synthon for preparation of liquid crystal polyesters.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Solvent influence upon complex formation between dibenzo-18-crown-6 with the Y3+ metal cation in pure and binary mixed organic solvents
GH Rounaghi et al.
Journal of Chemical and Engineering Data, 56, 2836-2840 (2011)
Acta Polym., 45, 308-308 (1994)
Tetrahedron Letters, 36, 1567-1567 (1995)
Binding selectivity of dibenzo-18-crown-6 for alkali metal cations in aqueous solution: A density functional theory study using a continuum solvation model
Chang Min C et al.
Chemistry Central Journal, 6, 1-8 (2012)
Marcin Dułak et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 64(2), 532-548 (2006-01-03)
Experimental (IR and Raman) and theoretical (Kohn-Sham calculations) methods are used in a combined analysis aimed at refining the available structural data concerning the molecular guests in channels formed by stacked dibenzo-18-crown-6 (DB18C6) crown ether. The calculations are performed for

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