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Formalin 5 %, phosphate buffer, pH neutral

Formalin 5%, phosphate buffer, pH neutral is recognized as an in vitro diagnostic agent and is widely used in histology and scientific laboratories. It is typically used to fix tissue samples, which is critical for the study of cellular structures and processes. Aqua bidest or ultrapure water, formaldehyde, di-sodium hydrogen phosphate dihydrate and sodium dihydrogen phosphate dihydrate together form a solution with chemical stability and adequate pH. Formaldehyde is an aldehyde (HCHO), while the two phosphates, di-sodium hydrogen phosphate dihydrate (Na2HPO4.2H2O) and sodium dihydrogen phosphate dihydrate (NaH2PO4.2H2O), serve as a buffer system to ensure the pH stability of the solution. The reaction between formaldehyde and the biological tissue leads to methylene bridges, which crosslink and stabilize the protein structures within the tissue. This allows observation of the tissue structure without change or disintegration. The molarity of the solution is approximately 1.48 M for formaldehyde, 0.055 M for di-sodium hydrogen phosphate dihydrate, and 0.012 M for sodium di-hydrogen phosphate dihydrate.

Article no.: 19270

fixation of specimen

  •   Container size and order number Net price Amount
    Formalin 5 %, phosphate buffer, pH neutral - 100 ml
    Order number: 19270.00100
    5,60 €
    Formalin 5 %, phosphate buffer, pH neutral - 250 ml
    Order number: 19270.00250
    6,12 €
    Formalin 5 %, phosphate buffer, pH neutral - 500 ml
    Order number: 19270.00500
    9,08 €
    Formalin 5 %, phosphate buffer, pH neutral - 1.000 ml
    Order number: 19270.01000
    11,48 €
    Formalin 5 %, phosphate buffer, pH neutral - 2.500 ml
    Order number: 19270.02500
    15,08 €
    Formalin 5 %, phosphate buffer, pH neutral - 5.000 ml
    Order number: 19270.05000
    21,69 €
    Formalin 5 %, phosphate buffer, pH neutral - 10.000 ml
    Order number: 19270.10000
    32,06 €
    Formalin 5 %, phosphate buffer, pH neutral - 20.000 ml
    Order number: 19270.20000
    41,07 €
    Formalin 5 %, phosphate buffer, pH neutral - 25.000 ml
    Order number: 19270.25000
    45,53 €

Important Information

UN-Nummer: 0000

Warning labels:

Lagerung: 15 … 25 °C

Haltbarkeit: 12 Monate

safety data sheet


product information

Relevant Incredients:
• Formaldehyde ~37%, stabilised
• Sodium di-hydrogen Phosphat 2-hydrate

instruction manual

Technical informations

specifications

Instructions / Protocol / Recommendations

Verwendung:

Bei der Fixierung werden alle in der Zelle ablaufenden Prozesse unterbrochen, unter möglichst optimaler Erhaltung des Zustandes und der Struktur des Gewebes. Biochemische Prozesse wie Autolyse, Verwesung und Fäulnis werden wirkungsvoll verhindert. Fixierlösung nach Stieve eignet sich zur Fixierung von Hodengewebe und Eierstockgewebe. Die Fixierlösung ist ausschließlich für die professionelle Anwendung als in-vitro Diagnostikum im histologischen Labor vorgesehen.

Hazard and safety instructions

Signal Word 1: Gefahr
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Warning labels: