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Indicator solution pH 5.0 - pH 8.0 (bromothymol blue)

The indicator solution with bromothymol blue and methyl red is widely used in analytics and teaching, especially in acid-base titration. The pH range from 5.0 to 8.0 allows precise measurements in this important physiological and chemical range.

The solution is characterized by its particular suitability for visualizing pH changes. Bromothymol blue and methyl red respond to changes in pH and produce a color change, allowing direct and easy pH determination.

The chemical properties are based on the ability of bromothymol blue and methyl red to act as weak acids and bases. They change color as they donate or absorb protons, depending on the pH of the solution.

The operation of the indicator solution relies on the color change of the indicators. In acidic environments, methyl red shows a red coloration, while bromothymol blue appears yellow. At alkaline pH, the indicators change color to yellow and blue, respectively. This allows the pH value of a solution to be determined quickly and easily.

Article no.: 13652

pH detection by color change (indicator solution)

  •   Container size and order number Net price Amount
    Indicator solution pH 5.0 - pH 8.0 (bromothymol blue) - 100 ml
    Order number: 13652.00100
    21,95 €
    Indicator solution pH 5.0 - pH 8.0 (bromothymol blue) - 250 ml
    Order number: 13652.00250
    33,43 €
    Indicator solution pH 5.0 - pH 8.0 (bromothymol blue) - 500 ml
    Order number: 13652.00500
    46,64 €
    Indicator solution pH 5.0 - pH 8.0 (bromothymol blue) - 1.000 ml
    Order number: 13652.01000
    89,00 €

Important Information

UN-Nummer: 1170

Warning labels:

Lagerung: 15 … 25 °C

Haltbarkeit: 12 Monate

safety data sheet

product information

Relevant Incredients:
• Ethyl alcohol
• Methyl red (C.I.: 13020)
• Bromothymol Blue sodium salt

Technical informations

specifications

Hazard and safety instructions

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