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Merck
CN

158399

Dibenzo-18-crown-6

98%

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

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About This Item

Empirical Formula (Hill Notation):
C20H24O6
CAS Number:
14187-32-7
Molecular Weight:
360.40
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
24849732
EC Number:
238-041-3
Beilstein/REAXYS Number:
1162153
MDL number:
MFCD00005098
Assay:
98%

Key Documents

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Product Name

Dibenzo-18-crown-6, 98%

InChI key

YSSSPARMOAYJTE-UHFFFAOYSA-N

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

SMILES string

C1COc2ccccc2OCCOCCOc3ccccc3OCCO1

assay

98%

mp

162-164 °C (lit.)

functional group

ether

Quality Level

100

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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.

General description

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

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000511743
0000511743
MKCZ4941
0000473244
0000473244

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Acta Polym., 45, 308-308 (1994)
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)
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)
Tetrahedron Letters, 36, 1567-1567 (1995)
H Tsuchiya et al.
Journal of chromatography, 309(1), 43-52 (1984-07-13)
Fatty acids are separated by reversed-phase high-performance liquid chromatography after derivatization with a fluorescence reagent, 4-bromomethyl-7-acetoxycoumarin. Each derivative eluted from a column is successively hydrolysed by mixing it with an alkaline solution, and the produced fluorescence is detected. The derivatives
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