Ethanesulfonic acid

Ethanesulfonic acid
Ethanesulfonic acid 2D
Ethanesulfonic acid 3D
Ethanesulfonic acid 3D
Ethanesulfonic acid 3D bonds
Ethanesulfonic acid 3D bonds
Names
Preferred IUPAC name
Ethanesulfonic acid
Other names
Esylic acid, ethylsulfonic acid
Identifiers
CAS Number
  • 594-45-6 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:42465 checkY
ChemSpider
  • 11178 ☒N
ECHA InfoCard 100.008.950 Edit this at Wikidata
EC Number
  • 209-843-0
PubChem CID
  • 11668
UNII
  • 599310E3U2 checkY
CompTox Dashboard (EPA)
  • DTXSID5060487 Edit this at Wikidata
InChI
  • InChI=1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)
  • InChI=1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)
    Key: CCIVGXIOQKPBKL-UHFFFAOYSA-N
  • CCS(O)(=O)=O
Properties
Chemical formula
 C2H6O3S
Molar mass 110.13 g/mol
Appearance Colorless liquid
Density 1.35 g/mL
Melting point −17 °C (1 °F; 256 K)
Boiling point 122–123 °C (252–253 °F; 395–396 K) at 0.01 mmHg
Solubility in water
 Soluble
log P −0.37
Acidity (pKa) −1.68[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
Chemical compound

Ethanesulfonic acid (esylic acid) is a sulfonic acid with the chemical formula CH3CH2SO3H. The conjugate base is known as ethanesulfonate or, when used in pharmaceutical formulations, as esilate. It is a colorless liquid.[2]

References

  1. ^ YK Ye & RW Stringham (2001-06-21). "Effect of mobile phase acidic additives on enantioselectivity for phenylalanine analogs". J Chromatogr A. 927 (1–2): 53–60. doi:10.1016/S0021-9673(01)01059-7. PMID 11572398.
  2. ^ Kosswig K, ed. (2000). "Sulfonic Acids, Aliphatic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a25_503. ISBN 978-3527306732.

External links

  • Ye YK, Stringham RW (2006), The effect of acidic and basic additives on the enantioseparation of basic drugs using polysaccharide-based chiral stationary phases. Chirality 18, 519–530. (PubMed:16676332)
  • National Center for Biotechnology Information (2005), Ethanesulfonic acid, PubChem Compound Database; CID=11668, (accessed December 23, 2016)
  • https://www.scbt.com/scbt/product/ethanesulfonic-acid-594-45-6
  • http://www.chemicalbook.com/productmsdsdetailcb5173859_en.htm


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