MilliporeSigma
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708860

Sigma-Aldrich

Potassium hydride

in paraffin

Linear Formula:
KH
CAS Number:
Molecular Weight:
40.11
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

form

solid

reaction suitability

reagent type: reductant

SMILES string

[K]

InChI

1S/K.H

InChI key

NTTOTNSKUYCDAV-UHFFFAOYSA-N

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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

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Skin Corr. 1B - Water-react. 1

Supplementary Hazards

Storage Class Code

4.3 - Hazardous materials, which set free flammable gases upon contact with water

WGK

WGK 3

Flash Point(F)

No data available

Flash Point(C)

No data available

Certificate of Analysis

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Certificate of Origin

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