Date published: 2026-5-7

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Potassium Phosphate Monobasic solution (CAS 7778-77-0)

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Application:
Potassium Phosphate Monobasic solution is a convenient 0.2 µm filtered, 1M stock solution for making phosphate buffers
CAS Number:
7778-77-0
Molecular Formula:
KH2PO4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Potassium phosphate monobasic solution is a versatile chemical widely utilized in biochemical research due to its properties as a buffering agent and source of phosphate. This solution is crucial for maintaining the pH in biological experiments, ensuring that enzymatic and biochemical reactions proceed under optimal conditions. The monobasic form of potassium phosphate provides a readily available source of phosphate ions, which are essential for various cellular processes and energy transfers within biological systems. In research, potassium phosphate monobasic solution is often used in the preparation of buffer solutions for cell culture media. These buffers help in maintaining a stable pH environment that is critical for cell growth and survival. The phosphate ions in the solution also play a significant role in cellular signaling and energy storage, being a component of ATP, the energy currency of the cell. Additionally, this solution is used in molecular biology, particularly in DNA and RNA extractions where maintaining a precise pH is crucial for the stability of these nucleic acids. The buffer system helps protect the integrity of genetic material during the extraction process, preventing degradation and facilitating the recovery of high-quality samples. Moreover, potassium phosphate monobasic is employed in protein purification techniques. It is used in the preparation of elution buffers that control the binding and release of proteins in chromatography processes. This is essential for the separation of specific proteins from complex mixtures, allowing researchers to study these proteins in greater detail.


Potassium Phosphate Monobasic solution (CAS 7778-77-0) References

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  6. Determination of four different purines and their content change in seafood by high-performance liquid chromatography.  |  Qu, X., et al. 2017. J Sci Food Agric. 97: 520-525. PMID: 27080363
  7. 6-Chloro-5-[4-(1-Hydroxycyclobutyl)Phenyl]-1H-Indole-3-Carboxylic Acid is a Highly Selective Substrate for Glucuronidation by UGT1A1, Relative to β-Estradiol.  |  Lapham, K., et al. 2018. Drug Metab Dispos. 46: 1836-1846. PMID: 30194276
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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Potassium Phosphate Monobasic solution, 1 L

sc-301601
1 L
$19.00