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Caustic potash solution / potassium hydroxide / KOH 20 %

The 20% potassium hydroxide solution is a highly concentrated alkaline solution used in various areas of the laboratory and industry. In microbiology, it can be used to distinguish yeasts and filamentous fungi by soaking samples in the solution and then examining them microscopically. The high concentration ensures rapid and effective separation of organisms.

In the chemical industry, 20% potassium hydroxide is used in the manufacture of soaps, detergents and other products that require a strong alkaline reaction. In the textile industry, it can be used to remove grease and dirt, while in the food industry it is used to regulate pH and as a preservative.

In the laboratory, 20% potash lye is used as an etchant to remove proteins and grease from glassware or to neutralize acids. In industry, it is used in anisotropic etching of silicon and as an electrolyte. In addition, potassium hydroxide is used as an etching additive in metallography to make certain structures in metals visible. The 20% concentration provides a very effective etching reaction, with the reaction rate being faster than at lower concentrations.

Article no.: 13756

Differentiation / pickling / blueing / etching

  •   Container size and order number Net price Amount
    Caustic potash solution / potassium hydroxide / KOH 20 % - 100 ml
    Order number: 13756.00100
    7,55 €
    Caustic potash solution / potassium hydroxide / KOH 20 % - 250 ml
    Order number: 13756.00250
    9,73 €
    Caustic potash solution / potassium hydroxide / KOH 20 % - 500 ml
    Order number: 13756.00500
    10,11 €
    Caustic potash solution / potassium hydroxide / KOH 20 % - 1.000 ml
    Order number: 13756.01000
    15,97 €
    Caustic potash solution / potassium hydroxide / KOH 20 % - 2.500 ml
    Order number: 13756.02500
    27,65 €

Important Information

UN-Nummer: 1814

Warning labels:

Lagerung: 15 … 25 °C

Haltbarkeit: 36 Monate

safety data sheet

product information

Relevant Ingredients:
• potassium hydroxide

Technical informations

specifications

Hazard and safety instructions

Signal Word 1: Gefahr
Signal Word 2: acid_red, exclam, ,
Warning labels: