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Merck
CN

215813

Potassium hydride

greener alternative

30 wt % dispersion in mineral oil

Synonym(s):

Potassium monohydride

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About This Item

Linear Formula:
KH
CAS Number:
7693-26-7
Molecular Weight:
40.11
EC Number:
231-704-8
MDL number:
MFCD00011357
UNSPSC Code:
12352302
PubChem Substance ID:
24852917
NACRES:
NA.22

Key Documents

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form

slurry

Quality Level

200

reaction suitability

reagent type: reductant

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

concentration

30 wt % dispersion in mineral oil

greener alternative category

, Enabling

SMILES string

[K]

InChI

1S/K.H

InChI key

NTTOTNSKUYCDAV-UHFFFAOYSA-N

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

Potassium hydride can be used for following applications:
  • Deprotonation: As a strong base, potassium hydride effectively deprotonates hydroxyl groups of monomers, generating alkoxide ions. These ions facilitate the ring-opening polymerization of monosubstituted oxiranes.
  • Strong Base in Williamson Ether Synthesis: It is employed to generate alkoxides from alcohols, which subsequently react with alkyl halides to form ethers.
  • Reducing Agent: Potassium hydride can reduce hindered boranes and borates to trialkyl borohydrides. It also facilitates the reduction of ketones and alkyl halides.
  • Alkylation and Enolate Formation: It aids in the formation of enolates from ketones, which can be utilized in one-pot alkylation-cyclization reactions.

Pictograms

FlameCorrosion
GHS02,GHS05

Signal Word

Danger

Hazard Statements

H260,H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B - Water-react 1

Supplementary Hazards

EUH014

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS7979
SHBS6192
SHBS6190
SHBS6191
SHBS2983

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Patnaik P et al.
A Comprehensive Guide to the Hazardous Properties of Chemical Substances null
Potassium hydride in paraffin: A useful base for organic synthesis.
Taber DF and Nelson CG
The Journal of Organic Chemistry, 71(23), 8973-8974 (2006)
Jordan E Bisanz et al.
Applied and environmental microbiology, 81(15), 4965-4975 (2015-05-17)
The nutritional status of pregnant women is vital for healthy outcomes and is a concern for a large proportion of the world's population. The role of the microbiota in pregnancy and nutrition is a promising new area of study with
David K Packham et al.
The New England journal of medicine, 372(3), 222-231 (2014-11-22)
Hyperkalemia (serum potassium level, >5.0 mmol per liter) is associated with increased mortality among patients with heart failure, chronic kidney disease, or diabetes. We investigated whether sodium zirconium cyclosilicate (ZS-9), a novel selective cation exchanger, could lower serum potassium levels
Mayumi Tada et al.
The European journal of neuroscience, 39(11), 1720-1728 (2014-01-11)
Calcium imaging of individual neurons is widely used for monitoring their activity in vitro and in vivo. Synthetic fluorescent calcium indicator dyes are commonly used, but the resulting calcium signals sometimes suffer from a low signal-to-noise ratio (SNR). Therefore, it
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