12-Crown-4, 98%
12-Crown-4, 98%
12-Crown-4, 98%
Thermo Scientific Chemicals

12-Crown-4, 98%

CAS: 294-93-9 | C8H16O4 | 176.21 g/mol
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Catalog number A11972.14
also known as A11972-14
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645,00
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Quantity:
25 g
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Price (EUR)
645,00
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Chemical Identifiers
CAS294-93-9
IUPAC Name1,4,7,10-tetraoxacyclododecane
Molecular FormulaC8H16O4
InChI KeyXQQZRZQVBFHBHL-UHFFFAOYSA-N
SMILESC1COCCOCCOCCO1
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SpecificationsSpecification SheetSpecification Sheet
Refractive Index1.4600-1.4640 @ 20?C
Appearance (Color)Clear colorless to pale yellow
FormLiquid
Assay (GC)≥97.5%
Identification (FTIR)Conforms
It serves as an aprotic solvent for alkali metals, the sodium solution is a strong reducing agent.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
It serves as an aprotic “solvent” for alkali metals, the sodium solution is a strong reducing agent.

Solubility
Fully miscible in water.

Notes
Light & Air Sensitive & Hygroscopic. Store under inert gas. Keep in a tightly closed container.
RUO – Research Use Only

General References:

  1. Dr. Xiaoguang Yang.; Dr. Carolyn B.; Knobler and Prof. Dr. M. Frederick Hawthorne. [12]Mercuracarborand-4, the First Representative of a New Class of Rigid Macrocyclic Electrophiles: The Chloride Ion Complex of a Charge-Reversed Analogue of [12]Crown-4.Angew. Chem. Int. Ed.1991,30(11), 1507-1508.
  2. 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.
  3. Crown ether suited to complexing lithium ions.