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About This Item
Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
EC Number:
MDL number:
UNSPSC Code:
12352106
eCl@ss:
38100303
PubChem Substance ID:
NACRES:
NA.21
Grade:
semiconductor grade
Form:
pellets
grade
semiconductor grade
Quality Level
vapor pressure
1 mmHg ( 719 °C)
Assay
99.99% trace metals basis (Purity excludes sodium content.)
form
pellets
composition
KOH, >85.0%
impurities
15% water
pH
~13.5 (25 °C, 5.6 g/L)
mp
361 °C (lit.)
cation traces
Na: ≤500.0 ppm
SMILES string
[OH-].[K+]
InChI
1S/K.H2O/h;1H2/q+1;/p-1
InChI key
KWYUFKZDYYNOTN-UHFFFAOYSA-M
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General description
Potassium hydroxide (KOH), also known as caustic potash. It is used as a significant precursor to many potassium containing products.
Application
In combination with tellurium powder, mediates the quantitative pinacolization of aromatic carbonyl compounds.
Potassium hydroxide can be used:
- As a base in the synthesis of imines, starting from amines and alcohols.
- As a base in β-alkylation of secondary alcohols with primary alcohols without any transition metal catalyst.
- In combination with aluminium for pinacolization of aromatic aldehydes and reduction of hindered ketones.
- As a precipitating agent in the synthesis of MnZn ferrites nanoparticles (Mn0.8Zn0.2Fe2O4 ferrite nanoparticles) by modified hydrothermal method.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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