C5515

18-Crown-6

• Synonym(s): 1,4,7,10,13,16-Hexaoxacyclooctadecane
• Empirical Formula (Hill Notation): C₁₂H₂₄O₆
• CAS Number: 17455-13-9
• Molecular Weight: 264.32
• EC Number: 241-473-5
• UNSPSC Code: 12350000
• MDL number: MFCD00005113
• Beilstein/REAXYS Number: 1619616

Properties

• mp: 42-45 °C (lit.)
• storage temp.: 2-8°C
• 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

Can be useful as phase-transfer catalysts.

Other Notes

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

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves