28125
18-Crown-6
purum, ≥99.0% (GC)
Synonym(s):
18C6, 1,4,7,10,13,16-Hexaoxacyclooctadecane
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About This Item
Empirical Formula (Hill Notation):
C12H24O6
CAS Number:
Molecular Weight:
264.32
Beilstein/REAXYS Number:
1619616
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
grade
purum
Quality Level
assay
≥99.0% (GC)
form
solid
mp
38-41 °C
42-45 °C (lit.)
SMILES string
O1CCOCCOCCOCCOCCOCC1
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
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Application
18-Crown-6 can be used as a model for crown ethers to study the effect of acid-base properties of mixed solvent on their solution enthalpy.It is generally used as a phase transfer catalyst and a complexing agent. It specifically binds to potassium ion, ammonium or protonated alkyl amines to form complexes.
Can be useful as phase-transfer catalysts.
Other Notes
Macrocyclic polyethers with repeating (-CH2CH2O) units. The compounds are ionophoric (form stable complexes with cations).
Phase transfer catalyst, complexing-agent
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Product No.
Description
Pricing
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
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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Topics in Current Chemistry, 98 (1981)
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Francois C, et al.
Journal of Chromatography A, 717(1-2), 393-408 (1995)
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Kuhn R, et al.
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