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Kaliumbrocken in Mineralöl, 98 %, Thermo Scientific Chemicals

Artikelnummer. 15408989
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Menge:
25 g
100 g
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CAS: 7440-09-7 | K | 39.10 g/mol

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.

Anwendungen
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.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7440-09-7
Summenformel K
Molekulargewicht (g/mol) 39.10
MDL-Nummer MFCD00133776
InChI-Schlüssel ZLMJMSJWJFRBEC-UHFFFAOYSA-N
Synonym kalium, potassium, metal, potassium, liquid alloy, unii-rwp5ga015d, rwp5ga015d, hsdb 698, monopotassium, potasio, mono-potassium, atom
PubChem CID 5462222
ChEBI CHEBI:26216
IUPAC-Name Kalium
SMILES [K]

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
UN-Nummer UN2257
Menge 100 g
Merck Index 14,7604
Löslichkeitsinformationen Reacts with water.
Formelmasse 39.1
Reinheit (%) 98%
Geruch Geruchsneutral
Empfindlichkeit Air and moisture sensitive
Form Fest
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RUO – Research Use Only

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