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TAPSO

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TAPSO
Names
IUPAC name 3-amino]-2-hydroxypropane-1-sulfonic acid
Other names 3--2-hydroxypropanesulfonic acid
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.063.611 Edit this at Wikidata
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C7H17NO7S/c9-3-7(4-10,5-11)8-1-6(12)2-16(13,14)15/h6,8-12H,1-5H2,(H,13,14,15)Key: RZQXOGQSPBYUKH-UHFFFAOYSA-N
  • InChI=1/C7H17NO7S/c9-3-7(4-10,5-11)8-1-6(12)2-16(13,14)15/h6,8-12H,1-5H2,(H,13,14,15)Key: RZQXOGQSPBYUKH-UHFFFAOYAF
SMILES
  • O=S(=O)(O)CC(O)CNC(CO)(CO)CO
Properties
Chemical formula C7H17NO7S
Molar mass 259.28 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

TAPSO is used to make buffer solutions. It has a pKa value of 7.635 (I=0, 25°C). It can be used to make buffer solutions in the pH range 7.0-8.2.

References

  1. Goldberg, R.; Kishore, N.; Lennen, R. (2002). "Thermodynamic Quantities for the Ionization Reactions of Buffers" (PDF). J. Phys. Chem. Ref. Data. 31 (2): 231–370. doi:10.1063/1.1416902. Archived from the original (PDF) on 2008-10-06. Retrieved 2017-07-13.
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