Isethionic acid

Isethionic acid
	; Isethionic acid
Names
	Preferred IUPAC name 2-Hydroxyethane-1-sulfonic acid
Identifiers
CAS Number	107-36-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:1157 ;
ChemSpider	7578 ;
ECHA InfoCard	100.003.169
KEGG	C05123 ;
PubChem CID	7866;
UNII	97J3QN9884 ;
CompTox Dashboard (EPA)	DTXSID1041427 ;
	InChI InChI=1S/C2H6O4S/c3-1-2-7(4,5)6/h3H,1-2H2,(H,4,5,6) Key: SUMDYPCJJOFFON-UHFFFAOYSA-N ; InChI=1/C2H6O4S/c3-1-2-7(4,5)6/h3H,1-2H2,(H,4,5,6) Key: SUMDYPCJJOFFON-UHFFFAOYAO;
	SMILES O=S(=O)(O)CCO;
Properties
Chemical formula	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). verify (what is ?) Infobox references

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. 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).

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