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Paraformaldehyde (PFA) 4 %, in PBS pH 7.2

Paraformaldehyde (PFA) 4% in PBS (phosphate-buffered saline) with a pH of 7.2 is a commonly used fixing solution in histology and cell biology. PFA is a polymer of formaldehyde and is depolymerized to formaldehyde by heating in aqueous solution. The 4% PFA solution in PBS is used to fix cells and tissues by cross-linking proteins and nucleic acids, thereby preserving cellular structure and morphology.

The advantage of using PFA in PBS solution is that the pH and ionic strength of the environment are stabilized during fixation, which helps to better preserve the natural properties of the material being fixed. PFA fixation is often used in immunohistochemistry, in situ hybridization and electron microscopy because it allows good preservation of cellular and subcellular structures. The 4% PFA solution is commonly used for fixation of cells and tissues previously washed in PBS to remove excess salts and media components.

Article no.: 10303

Fixation of tissue samples

  •   Container size and order number Net price Amount
    Paraformaldehyde (PFA) 4 %, in PBS pH 7.2 - 250 ml
    Order number: 10303.00250
    40,15 €
    Paraformaldehyde (PFA) 4 %, in PBS pH 7.2 - 500 ml
    Order number: 10303.00500
    49,32 €
    Paraformaldehyde (PFA) 4 %, in PBS pH 7.2 - 1.000 ml
    Order number: 10303.01000
    75,13 €
    Paraformaldehyde (PFA) 4 %, in PBS pH 7.2 - 5.000 ml
    Order number: 10303.05000
    195,96 €

Important Information

UN-Nummer: 0000

Warning labels:

Lagerung: 4 … 8 °C

Haltbarkeit: 10 Tage

safety data sheet


product information

Relevant Incredients:
• Paraformaldehyde
• Caustic soda 4 %
• PBS Buffer pH 7.2 - 10x concentrate

Technical informations

specifications

Hazard and safety instructions

Signal Word 1: Achtung
Signal Word 2: exclam, silhouete, ,
Warning labels: