Date published: 2025-12-5

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3-Hydroxypropane-1-sulfonic acid (CAS 15909-83-8)

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CAS Number:
15909-83-8
Purity:
assay ~80% impurities ~20% water
Molecular Weight:
140.16
Molecular Formula:
C3H8O4S
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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3-Hydroxypropane-1-sulfonic acid, known as 3-HPSA, is an organic acid containing a sulfonic group that serves as a versatile buffer in a wide range of scientific and industrial applications. With its stability, non-toxicity, and low volatility, 3-Hydroxypropane-1-sulfonic acid offers exceptional pH buffering capabilities. 3-Hydroxypropane-1-sulfonic acid plays a role in various scientific research endeavors, particularly in biochemical and physiological studies. It enables investigations into enzyme mechanisms, protein functions, and other biological molecules. Additionally, researchers rely on 3-Hydroxypropane-1-sulfonic acid to examine the influence of pH on enzymatic reactions and the impact of metal chelation on biological systems. As a potent buffer, 3-Hydroxypropane-1-sulfonic acid maintains a constant pH within a solution, even in the presence of pH changes.


3-Hydroxypropane-1-sulfonic acid (CAS 15909-83-8) References

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  2. Tandem catalysis by ultrathin metal-organic nanosheets formed through post-synthetic functionalisation of a layered framework.  |  Nicks, J., et al. 2019. Chem Commun (Camb). 55: 8788-8791. PMID: 30997453
  3. State of the structure address on MET receptor activation by HGF.  |  Linossi, EM., et al. 2021. Biochem Soc Trans. 49: 645-661. PMID: 33860789
  4. Influence of Acid-Doped Poly(ethylene imine) Interlayers on the Performance of Polymer:Nonfullerene Solar Cells.  |  Lee, W., et al. 2022. Macromol Rapid Commun. 43: e2200264. PMID: 36222287
  5. Inhibitors of synaptosomal gamma-hydroxybutyrate transport.  |  McCormick, SJ. and Tunnicliff, G. 1998. Pharmacology. 57: 124-31. PMID: 9691232
  6. Sulfonic acid-functionalized Fe3O4-supported magnetized graphene oxide quantum dots: A novel organic-inorganic nanocomposite as an efficient and recyclable nanocatalyst for the synthesis of dihydropyrano[2,3-c]pyrazole and 4H-chromene derivatives  |  Masoud Khaleghi Abbasabadi, Davood Azarifar, Hamid Reza Esmaili Zand. December 2020. Applied Organometallic Chemistry. Volume34, Issue12: e6004.
  7. Efficient N-sulfopropylation of chitosan with 1,3-propane sultone in aqueous solutions: neutral pH as the key condition†Check for updates  |  Abolfazl Heydari, ORCID logo *a Mahdieh Darroudi ORCID logo b and Igor Lacík ORCID logo *ac., 2021. React. Chem. Eng.,6,: 2146-2158.
  8. Acid Autocatalysis Best Served Hot: The Chlorate–Sulfite–Gluconolactone System as a Thermochemical Clock  |  Ronny Kürsteiner, Dr. Guido Panzarasa. May 2023. ChemSystemsChem. Volume5, Issue3 2 This article also appears in: Autocatalysis: e20220004.
  9. Synthesis of novel multi-OH functionalized ionic liquid and its application as dual catalyst-solvent for the one-pot synthesis 4H-pyrans  |  M Honarmand, A Tzani, A Detsi - Journal of Molecular Liquids, 2019 - Elsevier. 15 September 2019,. Journal of Molecular Liquids. Volume 290,: 111358.
  10. Pronounced thickness effect of permanent charge-introduced branched poly(ethylene imine) surface-modifying layers in polymer:nonfullerene solar cells  |  W Lee, H Son, T Kim, H Kim, S Kim, DC Lim… - Applied Surface Science, 2023 - Elsevier. 30 January 2023,. Applied Surface Science. Volume 609,: 155249.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3-Hydroxypropane-1-sulfonic acid, 25 g

sc-254493
25 g
$65.00