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757551

Potassium hydroxide

≥99.95% trace metals basis

Synonym(s):

Caustic potash

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About This Item

Linear Formula:
KOH
CAS Number:
1310-58-3
Molecular Weight:
56.11
NACRES:
NA.23
PubChem Substance ID:
329766684
UNSPSC Code:
12352302
EC Number:
215-181-3
MDL number:
MFCD00003553
eCl@ss:
38100303
Assay:
≥99.95% trace metals basis
Grade:
anhydrous
Form:
crystals or chunks, powder and chunks, powder or crystals
Solubility:
H2O: soluble 1120 g/L
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grade

anhydrous

Quality Level

100

vapor pressure

1 mmHg ( 719 °C)

assay

≥99.95% trace metals basis

form

crystals or chunks, powder and chunks, powder or crystals

reaction suitability

core: potassium

impurities

≤500.0 ppm Trace Metal Analysis

mp

361 °C (lit.)

solubility

H2O: soluble 1120 g/L

anion traces

(Boron (B)≤ 0.1 ppm)

cation traces

Ag: ≤0.1 ppm, Al: ≤0.4 ppm, Ba: ≤1.0 ppm, Ca: ≤1.9 ppm, Cr: ≤0.3 ppm, Cu: ≤0.5 ppm, Fe: ≤0.7 ppm, Mg: ≤0.4 ppm

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

General description

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).

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pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

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 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.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

757551-25G:4.548173960487E12 + 757551-5G:4.548173960494E12

jan

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Ashok R Patel et al.
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The aim of this study was to use a detailed rheological characterization to gain new insights into the gelation behavior of natural waxes. To make a comprehensive case, six natural waxes (differing in the relative proportion of chemical components: hydrocarbons
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