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Merck
CN

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

Key Documents

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Product Name

Potassium hydroxide (powder), for synthesis

Quality Level

200

InChI

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

SMILES string

[OH-].[K+]

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

grade

synthesis grade

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

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Analysis Note

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

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.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品
This item has

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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)
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)
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)
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)
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

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