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757551

Sigma-Aldrich

Hydroxyde de potassium

anhydrous, ≥99.95% trace metals basis

Synonyme(s) :

Potasse caustique

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About This Item

Formule linéaire :
KOH
Numéro CAS:
Poids moléculaire :
56.11
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352302
ID de substance PubChem :
Nomenclature NACRES :
NA.23

Qualité

anhydrous

Niveau de qualité

Pression de vapeur

1 mmHg ( 719 °C)

Pureté

≥99.95% trace metals basis

Forme

crystals or chunks
powder and chunks
powder or crystals

Impuretés

≤300.0 ppm Trace Metal Analysis

Pf

361 °C (lit.)

Solubilité

H2O: soluble 1120 g/L

Chaîne SMILES 

[OH-].[K+]

InChI

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

Clé InChI

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Description générale

Potassium hydroxide (KOH) is also known as caustic potash. It is a strong alkali or a solid base compound that can be used in a variety of industrial applications. It finds its usage in the production of soaps, cleaners and detergents.

Application

  • Biodiesel Production from Waste Cooking Oil: Describes the use of potassium hydroxide in biodiesel production, emphasizing its effectiveness in catalyzing the transesterification of waste cooking oil (K Komaladevi, R Pandithurai, 2023).
  • Chemical Activation for Dye Adsorption: Utilizes potassium hydroxide in the activation process to enhance the adsorption capacity of hemp-based activated carbon, crucial for environmental cleanup and management (Y Toptaş, B Yavuz, A Aksoğan Korkmaz, et al., 2024).
  • Surface Modification of Raphia Fibres: Highlights the use of potassium hydroxide for the chemical modification of Raphia fibres to improve their mechanical properties and water absorption, relevant in textile and material engineering (I Omemereyore, OT Uzoma, et al., 2024).
  • High-Performance Supercapacitors: Discusses the role of potassium hydroxide in enhancing the charge storage performance of electrodes, critical for the development of advanced energy storage systems (Y Pei, Z Ren, X Wu, et al., 2024).

Pictogrammes

CorrosionExclamation mark

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

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

Code de la classe de stockage

8A - Combustible corrosive hazardous materials

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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