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Kaliumbrocken in Mineralöl, 98 %, Thermo Scientific Chemicals
Beschreibung
Potassium forms a blue solution in tetrahydrofoliate which is used for the ? -monoalkylation of -lactones in the presence of 18-crown-6. It is used for generation of potassium ethoxide in solution, for use in the Birch reduction of an aromatic ring, for preparation of potassium amide,
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.
Kalium bildet in Tetrahydrofoliat eine blaue Lösung, die für die ɑ-Monoalkylierung von -Lactonen in Gegenwart von 18-crown-6 verwendet wird. Es wird zur Erzeugung von Kaliumethoxid in Lösung, zur Verwendung bei der Birch-Reduktion eines aromatischen Rings, zur Herstellung von Kaliumamid verwendet.
Löslichkeit
Es reagiert mit Wasser.
Hinweise
Kühl lagern. Behälter an einem trockenen und gut belüfteten Ort dicht verschlossen halten. Handhabung und Lagerung unter Inertgas. Nicht kompatibel mit starken Oxidationsmitteln.
Spezifikation
Specifications
| Chemischer Name oder Material | Potassium |
| Farbe | Grau-Silber |
| Namenshinweis | chunks, in mineral oil |
| Schmelzpunkt | 63°C to 64°C |
| Siedepunkt | 765°C to 770°C |
| Dichte | 0.860 g/mL |
| Menge | 100 g |
| Geruch | Geruchsneutral |
| Empfindlichkeit | Air and moisture sensitive |
| Form | Fest |
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RUO – Research Use Only
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