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274984 Aldrich

18-Crown-6

≥99.0%

Synonym: 1,4,7,10,13,16-Hexaoxacyclooctadecane

  • CAS Number 17455-13-9

  • Empirical Formula (Hill Notation) C12H24O6

  • Molecular Weight 264.32

  •  Beilstein Registry Number 1619616

  •  EC Number 241-473-5

  •  MDL number MFCD00005113

  •  PubChem Substance ID 24856618

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Properties

Related Categories Chelation/Complexation Compounds, Chemical Synthesis, Crown Ethers, Synthetic Reagents
InChI Key   XEZNGIUYQVAUSS-UHFFFAOYSA-N
assay   ≥99.0%
mp   42-45 °C (lit.)

Description

Application

Can be useful as phase-transfer catalysts.

18-Crown-6 can solubilize metal salts, particularly potassium salts, in nonpolar and dipolar aprotic solvents. Thus, it is widely used as a phase transfer catalyst. It can also be used as a metal complexing agent to prepare a variety of molecular complexes.

Other Notes

Macrocyclic polyethers with repeating (-CH2CH2O) units. The compounds are ionophoric (form stable complexes with cations).

Packaging

1 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
MP4500000
Flash Point(F) 
>235.4 °F
Flash Point(C) 
>113 °C

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Protocols & Articles
Peer-Reviewed Papers
15

References

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901591 18-Crown-6 solution, 1.0 M in THF

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