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About This Item
Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
PubChem Substance ID:
eCl@ss:
38100303
UNSPSC Code:
12352106
NACRES:
NA.21
EC Number:
215-181-3
MDL number:
Assay:
≥85% KOH basis
Form:
pellets
Solubility:
H2O: 1 M, clear, colorless
vapor pressure
1 mmHg ( 719 °C)
product line
BioXtra
assay
≥85% KOH basis
form
pellets
impurities
≤0.0005% Phosphorus (P), ≤0.1% Insoluble matter, ≤2.0% K2CO3
pH
~13.5 (25 °C, 5.6 g/L)
mp
361 °C (lit.)
solubility
H2O: 1 M, clear, colorless
anion traces
chloride (Cl-): ≤0.01%, sulfate (SO42-): ≤0.003%
cation traces
Al: ≤0.0005%, Ca: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, Mg: ≤0.0005%, NH4+: ≤0.05%, Na: ≤0.05%, Pb: ≤0.001%, Zn: ≤0.0005%
SMILES string
[OH-].[K+]
InChI
1S/K.H2O/h;1H2/q+1;/p-1
InChI key
KWYUFKZDYYNOTN-UHFFFAOYSA-M
General description
Potassium hydroxide is an inorganic compound commonly known as caustic potash. It is a strong alkali, readily reacts with acids. It can be used in various reactions such as nucleophilic substitution, hydrolysis, and addition reactions. Sometimes it can also be used as a catalyst for aldol-type reactions.
Application
Potassium hydroxide can be used to adjust the pH of the solution.
It can also be used:
It can also be used:
- As a catalyst in the alkynylation of heteroaromatic N-oxides to synthesize corresponding C2-alkynylheterocycles.
- As a superbase medium with dimethyl sulfoxide (KOH/DMSO medium) for the synthesis of cross-coupling products under transition metal-free conditions from reactions between aryl halides and various sulfur, oxygen and nitrogen-based nucleophiles.
- In the synthesis and thermodynamic study of Na-based zeolites.
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
危险化学品
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| P5958-1KG | 04061834392682 |
| P5958-250G | 04061834392699 |
| P5958-500G | 04061835567812 |