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8.14353

Sigma-Aldrich

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
MDL number:
MFCD00003553
UNSPSC Code:
12352305
EC Index Number:
215-181-3
NACRES:
NA.22

vapor pressure

1 mmHg ( 719 °C)

Quality Level

200

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

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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

Signal Word

Danger

Hazard Statements

H290 - H302 - H314

Hazard Classifications

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

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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)
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)

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