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Merck

8.14353

Potassium hydroxide (powder)

for synthesis

Synonym(s):

Potassium hydroxide, Potash caustic, Caustic potash

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About This Item

Linear Formula:
KOH
CAS Number:
1310-58-3
Molecular Weight:
56.11
NACRES:
NA.22
EC Index Number:
215-181-3
UNSPSC Code:
12352305
MDL number:
MFCD00003553
eCl@ss:
38100303
Form:
powder
Grade:
synthesis grade

Key Documents

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grade

synthesis grade

Quality Level

200

vapor pressure

1 mmHg ( 719 °C)

form

powder

potency

333 mg/kg LD50, oral (Rat)

pH

14 (20 °C, 56 g/L in H2O)

mp

361 °C (lit.)

solubility

1130 g/L

storage temp.

2-30°C

SMILES string

[OH-].[K+]

InChI

1S/K.H2O/h;1H2/q+1;/p-1

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

Application

Potassium hydroxide (powder) can be used:
  • In the activation of carbon samples.
  • To synthesize K+ doped ZnO microcrystals applicable in the photocatalytic degradation of organic pollutants.
  • As a base to synthesize the monomer, 4-bromo-N-(4-bromophenyl)-N-(2-(2-(2-methoxyethoxy)ethoxy)ethyl)aniline by the reaction of bis(4-bromophenyl) amine and 1-(2-(2-methoxyethoxy)ethoxy)-2-bromoethane.

Analysis Note

Assay (acidimetric): ≥ 85.0 %
Potassiumcarbonate (K₂CO₃) (acidimetric): ≤ 1.0 %

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

8B - Non-combustible corrosive hazardous materials

Certificates of Analysis (COA)

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Mirosław Kwiatkowski et al.
Materials (Basel, Switzerland), 14(8) (2021-05-01)
This paper presents the results of an evaluation of the impact of the amount of potassium hydroxide on the obtained porous structure of the activated carbons derived from the shells of pistachios, hazelnuts, and pecans by carbonization and subsequent chemical
Esraa M El-Fawal et al.
Journal of environmental sciences (China), 92, 52-68 (2020-05-21)
Photoactive aluminum doped ZnO (AlZnO) was synthesized by sol-gel method. After that, AlZnO photocatalyst was deposited on five carbon-based materials (CBMs) using ultrasonic route followed by solid-state mixing using ball mill. The CBMs used were polyaniline (PANI), carbon nitride (CN)
Fluorescent conjugated polymer nanoparticles and aggregates based on rapid precipitation and self-assembled ?-conjugated systems
Godana AS and Yu Chin-Yang
Polymer, 174, 45-51 (2019)
An Evaluation of the Impact of the Amount of Potassium Hydroxide on the Porous Structure Development of Activated Carbons
Miroslaw K, et al.
Materials (Basel, Switzerland), 14(8), 2045-2045 (2021)
Preparation of solar-enhanced AlZnO@carbon nano-substrates for remediation of textile wastewaters
Esraa M El-Fawal, et al.
Journal of Environmental Engineering and Management, 92, 52-68 (2020)

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