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708860 Sigma-Aldrich

Potassium hydride

in paraffin

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Properties

Related Categories Chemical Synthesis, Metal Hydrides, Reduction, Synthetic Reagents
Quality Level   100
SMILES string   [K]
InChI   1S/K.H
InChI key   NTTOTNSKUYCDAV-UHFFFAOYSA-N

Description

General description

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.

Application

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.

Packaging

5, 25 g in poly bottle

Physical properties

Melting point of paraffin used to prepare mixture is ~55-65 °C

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
EUH014
RIDADR 
UN 1409 4.3 / PGI
WGK Germany 
WGK 3
Flash Point(F) 
No data available
Flash Point(C) 
No data available

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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