708860
Kaliumhydrid
in paraffin
Synonym(e):
Potassium monohydride
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Alle Fotos(2)
About This Item
Lineare Formel:
KH
CAS-Nummer:
Molekulargewicht:
40.11
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352302
PubChem Substanz-ID:
NACRES:
NA.22
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Qualitätsniveau
Form
solid
Eignung der Reaktion
reagent type: reductant
SMILES String
[K]
InChI
1S/K.H
InChIKey
NTTOTNSKUYCDAV-UHFFFAOYSA-N
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Allgemeine Beschreibung
Potassium hydride is a strong base and hydride donor to Lewis acids. It is generally employed in organic reactions like deprotonation, rearrangement, and elimination reactions. It is also used as a reducing agent to reduce hindered boranes and borates to substituted borohydrides.
Anwendung
Potassium hydride in paraffin can be used as a base in:
- Wittig reaction of various aldehydes with high Z selectivity.
- Williamson ether synthesis to prepare substituted ethers from alcohols.
- Polymerization of ethylene oxide to yield polyethylene glycols.
Physikalische Eigenschaften
Melting point of paraffin used to prepare mixture is ~55-65 °C
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Skin Corr. 1B - Water-react 1
Zusätzliche Gefahrenhinweise
Lagerklassenschlüssel
4.3 - Hazardous materials which set free flammable gases upon contact with water
WGK
WGK 3
Flammpunkt (°F)
No data available
Flammpunkt (°C)
No data available
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