Date published: 2025-11-3

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Potassium sulfite (CAS 10117-38-1)

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Application:
Potassium sulfite is a chemical used for the transfer of an allyl group to thiols
CAS Number:
10117-38-1
Purity:
≥90%
Molecular Weight:
158.26
Molecular Formula:
K2SO3
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 sulfite is a chemical used for the transfer of an allyl group to thiols. Potassium sulfite (K2SO3) is an inorganic compound that consists of potassium cations (K+) and sulfite anions (SO3^2-). It is also used as a preservative in certain laboratory solutions to maintain their stability and prevent deterioration. Additionally, potassium sulfite may be employed in various chemical reactions as a source of sulfur dioxide (SO2) due to its ability to release this gas under specific conditions.


Potassium sulfite (CAS 10117-38-1) References

  1. Textural and chemical characterizations of adsorbent prepared from palm shell by potassium hydroxide impregnation at different stages.  |  Guo, J. and Lua, AC. 2002. J Colloid Interface Sci. 254: 227-33. PMID: 12702392
  2. Final report on the safety assessment of sodium sulfite, potassium sulfite, ammonium sulfite, sodium bisulfite, ammonium bisulfite, sodium metabisulfite and potassium metabisulfite.  |  Nair, B., et al. 2003. Int J Toxicol. 22 Suppl 2: 63-88. PMID: 14555420
  3. Simultaneous determination of chromium(III) and chromium(VI) in aqueous solutions by ion chromatography and chemiluminescence detection.  |  Gammelgaard, B., et al. 1992. Analyst. 117: 637-40. PMID: 1580411
  4. Adsorption of antimony(V) onto Mn(II)-enriched surfaces of manganese-oxide and FeMn binary oxide.  |  Liu, R., et al. 2015. Chemosphere. 138: 616-24. PMID: 26218341
  5. Food safety risk assessment for estimating dietary intake of sulfites in the Taiwanese population.  |  Lien, KW., et al. 2016. Toxicol Rep. 3: 544-551. PMID: 28959578
  6. Bioproduction of rubratoxin in a glucose-mineral salts broth with nutritional supplements and metabolic inhibitors.  |  Emeh, CO. and Marth, EH. 1977. Can J Microbiol. 23: 1695-9. PMID: 304372
  7. Conjugal multiple system atrophy: Chance, shared risk factors, or evidence of transmissibility?  |  Coon, EA., et al. 2019. Parkinsonism Relat Disord. 67: 10-13. PMID: 31621598
  8. Full Factorial Design for Gold Recovery from Industrial Solutions.  |  Mihăilescu, M., et al. 2021. Toxics. 9: PMID: 34065249
  9. Chan-Lam-Type C-S Coupling Reaction by Sodium Aryl Sulfinates and Organoboron Compounds.  |  Lam, LY. and Ma, C. 2021. Org Lett. 23: 6164-6168. PMID: 34292759
  10. Efficient Production of 2,5-Diketo-D-gluconic Acid by Reducing Browning Levels During Gluconobacter oxydans ATCC 9937 Fermentation.  |  Li, G., et al. 2022. Front Bioeng Biotechnol. 10: 918277. PMID: 35875491
  11. Indigenous yeast can increase the phenolic acid and volatile ester compounds in Petit Manseng wine.  |  Wang, Y., et al. 2022. Front Nutr. 9: 1031594. PMID: 36562039
  12. Modification of the microstructure of tef [Eragrostis tef (Zucc.) Trotter] flour ultrasonicated at different temperatures. Impact on its techno-functional and rheological properties.  |  Vela, AJ., et al. 2023. Curr Res Food Sci. 6: 100456. PMID: 36846468
  13. Preparation and Application of Directed Vat Set Indigenous Freeze-Drying Lentilactobacillus hilgardii Q19 Starter in Winemaking.  |  Wang, L., et al. 2023. Foods. 12: PMID: 36900570
  14. Effect of pH on sulfite oxidation by Thiobacillus thiooxidans cells with sulfurous acid or sulfur dioxide as a possible substrate.  |  Takeuchi, TL. and Suzuki, I. 1994. J Bacteriol. 176: 913-6. PMID: 8300544

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Potassium sulfite, 250 g

sc-253311
250 g
$52.00

Potassium sulfite, 1 kg

sc-253311A
1 kg
$102.00
US: (Out of Stock: Availability October 24, 2025)