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Indicating Solution pH 3.8 - 5.4 (Bromocresol Green)

The indicator solution with bromocresol green is widely used in chemical analysis and teaching, especially in the titration of acids and bases. The specific pH range of 3.8 to 5.4 is relevant for numerous biological, chemical and medical applications.

The solution is particularly suitable for use in areas where accurate determination of pH values in an acidic environment is required. Due to the characteristic color change of bromocresol green at different pH values, the solution allows direct visualization of pH changes.

Bromocresol green, the active component in the solution, functions as a weak acid that absorbs or releases protons as pH changes. This process results in a visible color change that indicates the pH of the solution.

The operation of the indicator solution is based on the color change of bromocresol green. In acidic environments, bromocresol green appears yellow, while at pH levels above 5.4 it appears blue. This distinct and easily recognizable color change enables fast and accurate determination of pH in a variety of applications.

Article no.: 13656

pH detection by color change (indicator solution)

  •   Container size and order number Net price Amount
    Indicating Solution pH 3.8 - 5.4 (Bromocresol Green) - 100 ml
    Order number: 13656.00100
    17,27 €
    Indicating Solution pH 3.8 - 5.4 (Bromocresol Green) - 250 ml
    Order number: 13656.00250
    28,25 €
    Indicating Solution pH 3.8 - 5.4 (Bromocresol Green) - 500 ml
    Order number: 13656.00500
    41,95 €
    Indicating Solution pH 3.8 - 5.4 (Bromocresol Green) - 1.000 ml
    Order number: 13656.01000
    79,28 €

Important Information

UN-Nummer: 1170

Warning labels:

Lagerung: 15 … 25 °C

Haltbarkeit: 24 Monate

safety data sheet

product information

Relevant Ingredients:
• Ethyl alcohol
• Phenol, 4,4'-(3H-1,2-benzoxathiol-3-ylidene)bis(2,6-dibromo-3-methyl-, S,S-dioxide, monosodium salt

Technical informations


Hazard and safety instructions

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