Ethanesulfonic acid

For research use only. Not for therapeutic Use.

  • CAT Number: R070583
  • CAS Number: 594-45-6
  • Molecular Formula: C2H6O3S
  • Molecular Weight: 110.127
  • Purity: ≥95%
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Ethanesulfonic acid is a simple aliphatic sulfonic acid widely used in pharmaceutical research, organic synthesis, and industrial applications. Its strong acidic properties make it a useful catalyst in chemical reactions, including esterifications and polymerizations. In pharmaceuticals, it serves as a counterion for drug formulations, enhancing solubility and stability. Ethanesulfonic acid is also utilized in electroplating, detergents, and dye production. Its versatility and reactivity contribute to its broad application across multiple industries, making it an important compound in chemical processes.


Catalog Number R070583
CAS Number 594-45-6
Molecular Formula C2H6O3S
Purity ≥95%
Storage RT
IUPAC Name ethanesulfonic acid
InChI InChI=1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)
InChIKey CCIVGXIOQKPBKL-UHFFFAOYSA-N
SMILES CCS(=O)(=O)O

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