Date published: 2025-12-9

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Potassium sulfate (CAS 7778-80-5)

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Alternate Names:
Dipotassium sulfate
Application:
Potassium sulfate is a standard laboratory reagent useful in an array of research applications
CAS Number:
7778-80-5
Purity:
>99%
Molecular Weight:
174.26
Molecular Formula:
K2SO4
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 sulfate is a vital chemical in scientific research, particularly valued for its applications in agriculture and plant physiology studies. It serves as a key source of both potassium and sulfur, two essential nutrients required for the healthy growth and development of plants. In agricultural research, potassium sulfate is used to study the effects of potassium and sulfur supplementation on crop yield, quality, and resistance to environmental stress. Its role extends to investigating nutrient uptake mechanisms and the interactions between soil chemistry and plant nutrition. Additionally, potassium sulfate is utilized in ecological studies to understand the impact of nutrient availability on ecosystem dynamics and plant community structure. In the laboratory, it is employed in nutrient media formulations for the growth of specific plant species in controlled environments, facilitating detailed physiological and biochemical studies. This compound is also integral in experiments designed to explore the enzymatic functions and metabolic pathways influenced by potassium and sulfur. These research applications underscore potassium sulfate′s utility in providing insights into plant biology and improving agricultural practices, thereby contributing to the advancement of sustainable farming techniques and a deeper understanding of plant nutrient dynamics.


Potassium sulfate (CAS 7778-80-5) References

  1. Electrostatic effects in highly charged proteins: salt sensitivity of pKa values of histidines in staphylococcal nuclease.  |  Lee, KK., et al. 2002. Biochemistry. 41: 5656-67. PMID: 11969427
  2. A comparison of the Kjeldahl and Dumas methods for the determination of protein in foods, using data from a proficiency testing scheme.  |  Thompson, M., et al. 2002. Analyst. 127: 1666-8. PMID: 12537377
  3. Tetra-potassium cis-dioxido-trans-bis-(sulfato-κO)sulfato(κO,O')molybdate(VI).  |  Schäffer, SJ. and Berg, RW. 2008. Acta Crystallogr Sect E Struct Rep Online. 64: i20. PMID: 21201837
  4. Capillary electrophoresis of proteins in buffers containing high concentrations of zwitterionic salts.  |  Bushey, MM. and Jorgenson, JW. 1989. J Chromatogr. 480: 301-10. PMID: 2592485
  5. Aluminium Ammonium Sulfate and Aluminium Potassium Sulfate (Food Additives).  |  ,. 2019. Food Saf (Tokyo). 7: 79-82. PMID: 31998591
  6. Two-Step Reaction Mechanism of Roasting Spodumene with Potassium Sulfate.  |  Ncube, T., et al. 2021. Inorg Chem. 60: 3620-3625. PMID: 33650858
  7. Potassium Sulfate Spray Promotes Fruit Color Preference via Regulation of Pigment Profile in Litchi Pericarp.  |  Su, X., et al. 2022. Front Plant Sci. 13: 925609. PMID: 35774808
  8. Treatment Result of the Mucopexy-Recto Anal Lifting Method for Hemorrhoids in Comparison with Ligation and Excision, and Aluminum Potassium Sulfate and Tannic Acid Sclerotherapy.  |  Sameshima, T., et al. 2022. J Anus Rectum Colon. 6: 143-149. PMID: 35979271
  9. Aluminum potassium sulfate and tannic acid (ALTA) sclerotherapy for hemorrhoidal disease: a systematic review and meta-analysis.  |  Manaki, V., et al. 2024. Acta Chir Belg. 1-8. PMID: 38428446
  10. The stability of tropomyosin at acid pH: effects of anion binding.  |  Lehrer, SS. and Yuan, A. 1998. J Struct Biol. 122: 176-9. PMID: 9724618

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Potassium sulfate, 500 g

sc-203365
500 g
$73.00

Potassium sulfate, 2.5 kg

sc-203365B
2.5 kg
$174.00