Sodium 2-hydroxyethyl sulfonate

Sodium 2-hydroxyethyl sulfonate
Names
Preferred IUPAC name
Sodium 2-hydroxyethane-1-sulfonate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.014.858
UNII
  • InChI=1S/C2H6O4S.Na/c3-1-2-7(4,5)6;/h3H,1-2H2,(H,4,5,6);/q;+1/p-1
    Key: LADXKQRVAFSPTR-UHFFFAOYSA-M
  • C(CS(=O)(=O)[O-])O.[Na+]
Properties
Melting point 191 to 194 °C (376 to 381 °F; 464 to 467 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Sodium 2-hydroxyethyl sulfonate (also: sodium isethionate) is the sodium salt of 2-hydroxyethane sulfonic acid (isethionic acid), it is used as a hydrophilic head group in washing-active surfactants, known as isethionates (acyloxyethanesulfonates) due to its strong polarity and resistance to multivalent ions. It is being studied as a high production volume chemical in the "High Production Volume (HPV) Chemical Challenge Program" of the US Environmental Protection Agency (EPA).

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