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It serves as an aprotic "solvent" for alkali metals, the sodium solution is a strong reducing agent.
Dr. Xiaoguang Yang.; Dr. Carolyn B.; Knobler and Prof. Dr. M. Frederick Hawthorne. Mercuracarborand-4, the First Representative of a New Class of Rigid Macrocyclic Electrophiles: The Chloride Ion Complex of a Charge-Reversed Analogue of Crown-4.Angew. Chem. Int. Ed.1991,30(11), 1507-1508.
R.M. Izatt.; R.E. Terry.; L.D. Hansen.; A.G. Avondet.; J.S. Bradshaw.; N.K. Dalley.; T.E. Jensen.; J.J. Christensen.; B.L. Haymore. A calorimetric titration study of uni-and bivalent metal ion interaction with several thia derivatives of 9-crown-3, 12-crown-4, 15-crown-5, 18-crown-6, 24-crown-8, and with several oxathiapentadecanes in water or water-methanol solvents at 25°C.Inorg. Chim. Acta1978,301-8.
Crown ether suited to complexing lithium ions.
Gefahrenhinweise (EU): H330-H315-H319-H361
Fatal if inhaled. Causes skin irritation. Causes serious eye irritation. Suspected of damaging fertility or the unborn child.
Do not breathe dust/fume/gas/mist/vapours/spray. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.