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28125 Sigma-Aldrich

18-Crown-6

purum, ≥99.0% (GC)

Synonym: 1,4,7,10,13,16-Hexaoxacyclooctadecane, 18C6

  • CAS Number 17455-13-9

  • Empirical Formula (Hill Notation) C12H24O6

  • Molecular Weight 264.32

  •  Beilstein/REAXYS Number 1619616

  •  EC Number 241-473-5

  •  MDL number MFCD00005113

  •  PubChem Substance ID 329753052

  •  NACRES NA.22

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Properties

Related Categories Chelation/Complexation Compounds, Chemical Synthesis, Crown Ethers, Synthetic Reagents
Quality Level   100
grade   purum
assay   ≥99.0% (GC)
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

Description

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

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 
WGK 3
RTECS 
MP4500000

Documents

Certificate of Analysis (COA)

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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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