18-Crown-6

Synonym
Product Category
Product Code
CAS Number
MDL Number
Pubchem CID
Reaxys RN
1,4,7,10,13,16-Hexaoxacyclooctadecane, Ethylene oxide cyclic hexamer
Nonfluorochemicals, Crown ethers
KUMI0F225
17455-13-9
MFCD00005113
28557
1619616
image-155171-Trimethyl(trifluoromethyl)silane_reagent.png
Chemical Name
Molecular Formula
Molecular Weight
Assay
Appearance
Melting Point
Packaging
Storage
18-Crown-6
C12H24O6
264.32
≥99%
White to off-white Solid
38-41°C
5g,10g,20g,50g,100g,500g,1kg,5kg,10kg and 25kg
Store at 2-8 temp.
18-Crown-6 is a macrocyclic polyether commonly used as phase transfer catalyst, complexing agent, curing accelerator and extractant for separation of precious metals and rare earth elements, etc..
Phase-transfer alkylation of heterocycles in the presence of 18-crown-6 and potassium tert-butoxide. [1] 
Iridium-Catalyzed Enantioselective Allylic Substitution of Unstabilized Enolates Derived from α,β-Unsaturated Ketones. [2] 
References:
[1] W.C.Guida, et al, J. Org. Chem., 1980, 45(16), pp 3172-3176.
[2] M.Chen, et al, Angew. Chem. Int. Ed. Engl., 2014, 53(33), pp 8691-8195.
Signal Word
Hazard Statements
Precautionary Statements
HS Code
RIDADR
Legal Information
Warning
H302
P301+P312+P330
29329900900
NONH for all modes of transport

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