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477249

Sigma-Aldrich

Dibenzo-21-crown-7

97%

Synonym(s):

6,7,9,10,12,13,20,21,23,24-Decahydrodibenzo[b,k][1,4,7,10,13,16,19]heptaoxacycloheneicosin, Dibenzo-21-crown-7 ether

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About This Item

Empirical Formula (Hill Notation):
C22H28O7
CAS Number:
14098-41-0
Molecular Weight:
404.45
Beilstein:
1693830
MDL number:
MFCD00068646
UNSPSC Code:
12352005
PubChem Substance ID:
24871348
NACRES:
NA.22

Quality Level

100

Assay

97%

form

solid

mp

103-107 °C (lit.)

SMILES string

C1COCCOc2ccccc2OCCOCCOc3ccccc3OCCO1

InChI

1S/C22H28O7/c1-3-7-21-19(5-1)26-15-11-23-9-10-24-12-16-27-20-6-2-4-8-22(20)29-18-14-25-13-17-28-21/h1-8H,9-18H2

InChI key

JKCQOMAQPUYHPL-UHFFFAOYSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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Beshare Hashemi et al.
Journal of separation science, 38(24), 4248-4254 (2015-10-16)
In this work, we report the first application of ion-imprinted technology via precipitation polymerization for simple and practical determination of rubidium ions. The rubidium-ion-imprinted polymer nanoparticles were prepared using dibenzo-21-crown-7 as a selective ligand, methacrylic acid as functional monomer, ethylene

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