Back هوموکاپزاسین AZB Isethionsäure German هوموکاپزاسین Persian Acide iséthionique French आइसेथायोनिक अम्ल Hindi Acido isetionico Italian イセチオン酸 Japanese 2-hydroxyethaansulfonzuur Dutch Isetionska kiselina Serbo-Croatian Isetionska kiselina Serbian

Isethionic acid

Isethionic acid
Skeletal formula
ball-and-stick model
Isethionic acid
Names
Preferred IUPAC name
2-Hydroxyethane-1-sulfonic acid
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.003.169 Edit this at Wikidata
KEGG
UNII
  • InChI=1S/C2H6O4S/c3-1-2-7(4,5)6/h3H,1-2H2,(H,4,5,6) checkY
    Key: SUMDYPCJJOFFON-UHFFFAOYSA-N checkY
  • InChI=1/C2H6O4S/c3-1-2-7(4,5)6/h3H,1-2H2,(H,4,5,6)
    Key: SUMDYPCJJOFFON-UHFFFAOYAO
  • O=S(=O)(O)CCO
Properties
C2H6O4S
Molar mass 126.13 g/mol
Density 1.63 g/cm3
Acidity (pKa) 1.39 (predicted)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Isethionic acid is an organosulfur compound containing an alkylsulfonic acid located beta to a hydroxy group. Its discovery is generally attributed to Heinrich Gustav Magnus, who prepared it by the action of solid sulfur trioxide on ethanol in 1833.[1] It is a white water-soluble solid used in the manufacture of certain surfactants and in the industrial production of taurine. It is most commonly available in the form of its sodium salt (sodium isethionate).

  1. ^ Magnus, G. (1833). "Ueber die Weinschwefelsäure, ihren Einfluss auf die Aetherbildung, und über zwei neue Säuren ähnlicher Zusammensetzung". Annalen der Physik und Chemie. 103 (2): 367–388. Bibcode:1833AnP...103..367M. doi:10.1002/andp.18331030213. ISSN 0003-3804.

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