Structure via PubChem · Public domain (PubChem)
potassium hydride
Sign in to saveAlso known as Kaliumhydrid, [KH], KH
inorganic compound of potassium and hydride
Chemical data
- Formula
- HK
- Molecular weight
- 40.1063 g/mol
- IUPAC name
- potassium hydride
- SMILES
- [H-].[K+]
- InChIKey
- OCFVSFVLVRNXFJ-UHFFFAOYSA-N
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 1
- Formal charge
- 0
via PubChem
Wikidata facts
- Subclass of
- chemical compound
- Has part
- hydrogen
- Mass
- 39.971532
Show 7 more facts
- canonical SMILES
- [K].[H]
- crystal system
- cubic crystal system
- standard enthalpy of formation
- -57.82
- chemical formula
- HK
- density
- 1.47
- melting point
- 400
- Commons category
- Potassium hydride
Sources (1)
via Wikidata · CC0
~2 min read
Encyclopedic overview
Potassium hydride, KH, is the inorganic compound of potassium and hydrogen. It is an alkali metal hydride. It is a white solid, although commercial samples appear gray. It is a powerful superbase that is useful in organic synthesis. It is sold commercially as a slurry (~35%) in mineral oil or sometimes paraffin wax to facilitate dispensing.
Preparation
Excerpted from Wikipedia’s “potassium hydride” article, available under the CC BY-SA 4.0 licence.