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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.
Hazard Statements: H330
Fatal if inhaled.
Precautionary Statements: P260-P271-P284-P304+P340-P310-P501c
Do not breathe dust/fume/gas/mist/vapours/spray. Use only outdoors or in a well-ventilated area. Wear respiratory protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Dispose of contents/ container to an approved waste disposal plant